Isaiah 43-44 - New Exodus and True God

Audio narrationAlso in your podcast app

This narration is from a previous version of the study and may include a combined recording of multiple chapters.

Speed0.75×1×1.2×1.5×2×3×

Isaiah 43-44 is a word of comfort, repentance, and renewed identity. The Lord speaks to a people who have been blind, deaf, exiled, and chastened, yet He does not begin by saying, “Try harder.” He begins by saying, “Fear not: for I have redeemed thee, I have called thee by thy name; thou art mine” (Isaiah 43:1). The same God who passed His people through the Red Sea now promises a deeper exodus: through waters, through rivers, through fire, through Babylon, through sin, and through idolatry into forgiveness, the gift of the Spirit, and true worship.

The two chapters belong together because they form one spiritual movement:

1. Isaiah 43:1-7: The redeemed are called by name and promised God’s presence through water and fire.
2. Isaiah 43:8-13: Israel is called as witness before the nations: “beside me there is no Saviour.”
3. Isaiah 43:14-21: The old exodus becomes the pattern for a new exodus: “Behold, I will do new things.”
4. Isaiah 43:22-28: Grace does not flatter Israel; it exposes sin and calls for confession.
5. Isaiah 44:1-8: The Lord pours out His Spirit and reveals Himself as the First and the Last.
6. Isaiah 44:9-20: Idols are exposed as powerless, irrational, and spiritually blinding.
7. Isaiah 44:21-28: The Lord blots out sins, commands creation to rejoice, and names Cyrus as the historical instrument of return.

Isaiah 43 declares redeeming ownership, new exodus, witness, and forgiveness. Isaiah 44 continues with the Spirit upon the thirsty, the confession of the one God, the exposure of idols, and the restoration of Jerusalem through Cyrus. The movement runs from belonging by name to renewed worship. Isaiah 41-42 has introduced the Servant as light to the nations; Isaiah 45-46 will develop Cyrus and the fall of false gods.

2. Historical and Scriptural Context

Historically, Isaiah is speaking into the shadow of exile and restoration. The immediate background is Babylon: the people who trusted in kings, alliances, idols, and ritual without repentance will be chastened. Yet the Lord also announces that Babylon will not have the final word. He will gather His children from the ends of the earth, dry up waters, and command Jerusalem to be rebuilt.

Isaiah 43-44 reaches backward and forward at the same time:

• It reaches backward to creation, because God says He made and formed Jacob (Isaiah 43:1; 44:2).
• It reaches backward to the exodus, because He makes a way in the sea and a path in mighty waters (Isaiah 43:16).
• It reaches backward to the wilderness, because He gives water in the dry land (Isaiah 43:19-20; 44:3).
• It reaches forward to return from exile, because Babylon will fall and Cyrus will restore Jerusalem (Isaiah 43:14; 44:28).
• It reaches forward to Christ and the Church, because the new exodus, the new creation, the forgiveness of sins, the Spirit poured out, and the gathering of the nations find their fullness in the Lord Jesus Christ.

The structure also exposes a key spiritual truth: the Lord redeems before His people are impressive. He says “thou art mine” before they have become strong; He promises to blot out sins while also commanding them to confess. Grace is not denial of sin. Grace is the Lord taking responsibility for the salvation of those who cannot save themselves.

3. Scripture Text: Brenton Septuagint

Isaiah 43

¹ And now thus saith the Lord God that made thee, O Jacob, and formed thee, O Israel, Fear not: for I have redeemed thee, I have called thee by thy name; thou art mine. ² And if thou pass through water, I am with thee; and the rivers shall not overflow thee: and if thou go through fire, thou shalt not be burned; the flame shall not burn thee. ³ For I am the Lord thy God, the Holy One of Israel, that saves thee: I have made Egypt and Ethiopia thy ransom, and given Soene for thee. ⁴ Since thou becamest precious in my sight, thou hast become glorious, and I have loved thee: and I will give men for thee, and princes for thy life. ⁵ Fear not; for I am with thee: I will bring thy seed from the east, and will gather thee from the west. ⁶ I will say to the north, Bring; and to the south, Keep not back; bring my sons from the land afar off, and my daughters from the ends of the earth; ⁷ even all who are called by my name: for I have prepared him for my glory, and I have formed him, and have made him: ⁸ and I have brought forth the blind people; for their eyes are alike blind, and they that have ears are deaf.

⁹ All the nations are gathered together, and princes shall be gathered out of them: who will declare these things? or who will declare to you things from the beginning? let them bring forth their witnesses, and be justified; and let them hear, and declare the truth.

¹⁰ Be ye my witnesses, and I too am a witness, saith the Lord God, and my servant whom I have chosen: that ye may know, and believe, and understand that I am he: before me there was no other God, and after me there shall be none. ¹¹ I am God; and beside me there is no Saviour. ¹² I have declared, and have saved; I have reproached, and there was no strange god among you: ye are my witnesses, and I am the Lord God, ¹³ even from the beginning; and there is none that can deliver out of my hands: I will work, and who shall turn it back?

¹⁴ Thus saith the Lord God that redeems you, the Holy One of Israel; For your sakes I will send to Babylon, and I will stir up all that flee, and the Chaldeans shall be bound in ships. ¹⁵ I am the Lord God, your Holy One, who have appointed for Israel your king.

¹⁶ Thus saith the Lord, who makes a way in the sea, and a path in the mighty water; ¹⁷ who brought forth chariots and horse, and a mighty multitude: but they have lain down, and shall not rise: they are extinct, as quenched flax.

¹⁸ Remember ye not the former things, and consider not the ancient things. ¹⁹ Behold, I will do new things, which shall presently spring forth, and ye shall know them: and I will make a way in the wilderness, and rivers in the dry land. ²⁰ The beasts of the field shall bless me, the owls and young ostriches; for I have given water in the wilderness, and rivers in the dry land, to give drink to my chosen race, ²¹ even my people whom I have preserved to tell forth my praises.

²² I have not now called thee, O Jacob; neither have I made thee weary, O Israel. ²³ Thou hast not brought me the sheep of thy whole-burnt-offering; neither hast thou glorified me with thy sacrifices. I have not caused thee to serve with sacrifices, neither have I wearied thee with frankincense. ²⁴ Neither hast thou purchased for me victims for silver, neither have I desired the fat of thy sacrifices: but thou didst stand before me in thy sins, and in thine iniquities. ²⁵ I, even I, am he that blots out thy transgressions for mine own sake, and thy sins; and I will not remember them. ²⁶ But do thou remember, and let us plead together: do thou first confess thy transgressions, that thou mayest be justified. ²⁷ Your fathers first, and your princes have transgressed against me. ²⁸ And the princes have defiled my sanctuaries: so I gave Jacob to enemies to destroy, and Israel to reproach.

Isaiah 44

¹ But now hear, Jacob my servant; and Israel, whom I have chosen. ² Thus saith the Lord God that made thee, and he that formed thee from the womb; Thou shalt yet be helped: fear not, my servant Jacob; and beloved Israel, whom I have chosen. ³ For I will give water to the thirsty that walk in a dry land: I will put my Spirit upon thy seed, and my blessings upon thy children: ⁴ and they shall spring up as grass between brooks, and as willows on the banks of running water. ⁵ One shall say, I am God’s; and another shall call himself by the name of Jacob; and another shall write with his hand, I am God’s, and shall call himself by the name of Israel.

⁶ Thus saith God the King of Israel, and the God of hosts that delivered him; I am the first, and I am hereafter: beside me there is no God. ⁷ Who is like me? let him stand, and call, and declare, and prepare for me from the time that I made man for ever; and let them tell you the things that are coming before they arrive. ⁸ Hide not yourselves, nor go astray: have ye not heard from the beginning, and have not I told you? ye are witnesses if there is a God beside me.

⁹ But they that framed false gods did not then hearken; and they that graved images are all vain, performing their own desires, which shall not profit them, but they shall be ashamed ¹⁰ that form a god, and all that grave worthless things: ¹¹ and all by whom they were made are withered: yea, let all the deaf be gathered from among men, and let them stand together; and let them be ashamed and confounded together:

¹² For the artificer sharpens the iron; he fashions the idol with an axe, and fixes it with an awl, and fashions it with the strength of his arm: and he will be hungry and weak, and will drink no water. ¹³ The artificer having chosen a piece of wood, marks it out with a rule, and fits it with glue, and makes it as the form of a man, and as the beauty of a man, to set it up in the house. ¹⁴ He cuts wood out of the forest, which the Lord planted, even a pine tree, and the rain made it grow, ¹⁵ that it might be for men to burn: and having taken part of it he warms himself; yea, they burn part of it, and bake loaves thereon; and of the rest they make for themselves gods, and they worship them. ¹⁶ Half thereof he burns in the fire, and with half of it he bakes loaves on the coals; and having roasted flesh on it he eats, and is satisfied, and having warmed himself he says, I am comfortable, for I have warmed myself, and have seen the fire. ¹⁷ And the rest he makes a graven god, and worships, and prays, saying, Deliver me; for thou art my God.

¹⁸ They have no understanding to perceive; for they have been blinded so that they should not see with their eyes, nor perceive with their heart. ¹⁹ And one has not considered in his mind, nor known in his understanding, that he has burnt up half of it in the fire, and baked loaves on the coals thereof and has roasted and eaten flesh, and of the rest of it he has made an abomination, and they worship it. ²⁰ Know thou that their heart is ashes, and they err, and no one is able to deliver his soul: see, ye will not say, There is a lie in my right hand.

²¹ Remember these things, O Jacob and Israel; for thou art my servant; I have formed thee to be my servant: and do thou, Israel, not forget me. ²² For behold, I have blotted out as a cloud thy transgressions, and thy sin as darkness: turn to me, and I will redeem thee.

²³ Rejoice, ye heavens; for God has had mercy upon Israel: sound the trumpet, ye foundations of the earth: ye mountains, shout with joy, ye hills, and all the trees therein: for God has redeemed Jacob, and Israel shall be glorified.

²⁴ Thus saith the Lord that redeems thee, and who formed thee from the womb, I am the Lord that performs all things: I stretched out the heaven alone, and established the earth. ²⁵ Who else will frustrate the tokens of those that have divining spirits, and prophecies from the heart of man? turning the wise back, and making their counsel foolishness; ²⁶ and confirming the word of his servant, and verifying the counsel of his messengers: who says to Jerusalem, Thou shalt be inhabited; and to the cities of Idumea, Ye shall be built, and her desert places shall spring forth. ²⁷ Who says to the deep, Thou shalt be dried up, and I will dry up the rivers. ²⁸ Who bids Cyrus be wise, and he shall perform all my will: who says to Jerusalem, Thou shalt be built, and I will lay the foundation of my holy house.

4. The Text Broken Open

A. “I have called thee by thy name; thou art mine” (Isaiah 43:1-7)

The chapter begins with identity before achievement. Israel belongs to the Lord because He created, formed, redeemed, and called her. “Fear not” is therefore not shallow reassurance. It rests on divine ownership: the people belong to the God who made them and redeemed them.

The passage names water, rivers, and fire. Water recalls Israel’s passage through sea and river; fire evokes peril and trial. The promise is not that the danger is imaginary: “I am with thee.” It is a covenant assurance of God’s saving fidelity, not a guarantee that baptized or purified believers will never drown, burn, or die. Martyrs and victims of disasters are not failed recipients of grace. Historical deliverance, Christ’s presence through suffering, and final incorruption belong together without being identical. In Christ, God’s fidelity reaches through death into resurrection.

The difficult ransom language in Isaiah 43:3-4 should be read as prophetic judgment and providence in Israel’s historical deliverance, not as permission to treat other peoples as disposable. In the fullness of the Gospel, Christ does not save by discarding others. He gives Himself as the ransom for all.

The gathering from east, west, north, and south first promises that scattered children can be brought home. In the wider Christian reading it opens toward the Church gathered from every nation. The point is not a superior race purchased at the expense of others: the Creator calls His children from far away. A congregation lives this hope when newcomers are received as people with names, histories, and gifts, not as anonymous additions to a number.

B. “Be ye my witnesses” (Isaiah 43:8-13)

The Lord convenes a courtroom. The nations and their gods must bring witnesses if they can. Israel, blind and deaf in herself, is still called to witness because she has seen the acts of God. The witness is not “we are better.” The witness is “the Lord alone saves.”

Isaiah 43:10-11 is one of the great confessions of divine uniqueness:

“Before me there was no other God, and after me there shall be none. I am God; and beside me there is no Saviour.”

The confession of the one Savior does not exclude Christ from God’s own saving life. Athanasius explains Isaiah’s declarations of the one, first, and only God without denying His eternal Word.¹ The Son is not a later god or an independent rival to the Father. Christian confession preserves the personal distinction of Father and Son within one Godhead.

C. “Behold, I will do new things” (Isaiah 43:14-21)

The Lord reminds Israel of the Red Sea: He made a way in the sea, brought out chariots and horse, and quenched the enemy like flax. Yet immediately He says, “Remember ye not the former things” and announces “new things.” This does not mean the old exodus is forgotten as worthless. It means the old exodus becomes a signpost, not the destination.

The new thing is fulfilled in layers:

• In history, the exiles return from Babylon.
• In Christ, the Incarnation, Cross, Resurrection, and Ascension open the true exodus from sin and death.
• In baptism, dry land receives rivers and the barren soul receives life.
• In the Church, the nations who were wilderness become the chosen people who tell forth God’s praise.

Cyprian reads Isaiah’s rivers in the dry land as baptismal new birth among the nations. This occurs in his letter to Caecilius about the Eucharistic cup, where he distinguishes water imagery from the water and wine of the cup.² It is a contextual sacramental reading, not a mechanical rule that every mention of water in Scripture must mean baptism. Here the thirsty people receive life they could not supply for themselves.

D. “I blot out thy transgressions” (Isaiah 43:22-28)

The repeated negatives in verses 22–24 matter. God has not wearied Israel; Israel has not brought Him the sheep of the whole-burnt offering or glorified Him with sacrifices. He has not made them serve with sacrifices or worn them out with frankincense, and He has not desired their sacrificial fat. The accusation is not that completed sacrifices failed because of a hidden inner defect. They have not brought the worship named, yet they stand before Him in sins. The reversal concerns burden: God has not exhausted His people with offerings; their iniquity, not His demand for supplies, is the crisis. He is no hungry idol dependent on their labor. Then comes the central word of mercy:

“I, even I, am he that blots out thy transgressions for mine own sake, and thy sins; and I will not remember them” (Isaiah 43:25).

The next verse calls for confession: “do thou first confess thy transgressions, that thou mayest be justified.” Pardon and confession belong together, but the order must be heard. God first names Himself as the One who blots out sins “for mine own sake.” Confession does not buy that mercy. The person stops hiding and receives it in truth. An honest admission can begin today; the promise does not require a long performance of self-accusation before hope is allowed.

A Christian can misuse comfort by refusing confession, or misuse confession by treating mercy as forever out of reach. Isaiah permits neither. The Lord says “thou art mine,” names the actual refusal and iniquity, and opens the way to truthful confession. If you have harmed someone, name the wrong without an excuse and begin repair. Do not confess an illness or injury as though involuntary suffering were a sin you chose.

E. “I will put my Spirit upon thy seed” (Isaiah 44:1-8)

Isaiah 44 begins with another “fear not.” The same people exposed for sin are still called “my servant” and “beloved Israel.” The Lord then promises water for the thirsty and the Spirit upon the seed. This is a prophecy of restoration, but also a prophecy of Pentecost and life in the Church.

Ambrose uses Isaiah 44:3 to speak of the Spirit’s fullness in divine blessing. He writes, “For no blessing can be full except through the inspiration of the Holy Spirit.”³ The Spirit is not an ornament added to a life we already possess independently. God gives the One through whom His blessing becomes fruitful in our knowledge, love, and works.

The result is the confession “I am God’s.” The hand-written confession makes belonging visible and deliberate. A Christian can receive this as a reminder of baptismal and chrismational identity, without claiming that Isaiah explicitly describes a later ritual gesture. We do not have to invent ourselves as self-sufficient saviors. We receive a life in which our name and our service belong to God.

“I am the first, and I am hereafter” excludes rival gods, not the Father’s Word. Athanasius’s explanation is that the Son belongs within the confession of the one God as His proper Word, Wisdom, and Radiance.¹ He is not a created deity appearing after another deity. The Father is never without His eternal Son.

Basil similarly refuses to count the divine Persons as three rival gods. In On the Holy Spirit 18.44–45, he confesses Father, Only-begotten Son, and Holy Spirit while preserving the one divine rule.⁴ The personal distinctions remain real. Oneness is not confusion of Persons, and distinction is not a division into competing deities.

F. The foolishness of idols (Isaiah 44:9-20)

Isaiah’s critique of idols is devastating because it is simple. A man cuts down a tree. Part of it warms him. Part of it bakes his bread. The rest he calls “my god” and begs it to deliver him. Isaiah does not merely say idolatry is forbidden. He shows that it is absurd.

Cyril of Alexandria brings the ash-heart image into the opening of That Christ is One. Speaker A contrasts polished rhetoric with ignorance of the true God; speaker B answers by citing Isaiah’s heart reduced to ashes.⁵ The dialogue’s point is that verbal brilliance cannot supply the life missing from false worship. The warning searches Christian eloquence as well: it is possible to speak impressively about God and still place trust in something lifeless. It must not become contempt for non-Christian persons.

Icon distinction: Isaiah’s condemnation of idols must not be confused with Orthodox icon veneration. Idols are worshiped as gods and treated as independent sources of deliverance. Holy icons confess the Incarnation and direct honor to the prototype. The idol says, “This object is my god.” The icon says, “The Word truly became flesh; honor passes to the person represented.” Isaiah destroys manufactured gods, not the Church’s confession that the invisible God has made Himself visible in Christ.

The deepest line is “their heart is ashes.” The tree has served real needs when it warmed the maker and baked bread. The absurdity begins when the remainder is asked to save him. Isaiah exposes the misuse of a good creature, not the evil of wood. Modern idols work similarly when career, money, control, or religious self-image is asked to give the life only God can give. The question is searching and concrete: what am I holding that I cannot admit is false?

G. “I have blotted out as a cloud thy transgressions” (Isaiah 44:21-28)

After exposing idols, the Lord returns again to mercy: “I have blotted out as a cloud thy transgressions, and thy sin as darkness: turn to me, and I will redeem thee.” The order matters. The Lord does not say, “Become worthy and I may redeem you.” He announces redemption and calls the person to turn.

Creation itself is commanded to rejoice: heavens, foundations of the earth, mountains, hills, and trees. Redemption is cosmic. Sin darkens the world, and mercy makes creation sing.

The Creator’s “alone” in verse 24 does not isolate the Father from His Word. Athanasius’s related account of Isaiah’s one and only God includes the eternal Son, not an external helper.¹ Christian creation faith confesses all things made through the Word without multiplying creators into rival gods.

The chapter closes with Cyrus, the Persian ruler who becomes an instrument of return and rebuilding. Brenton’s wording is “Who bids Cyrus be wise,” and it ends with Jerusalem built and the holy house founded. This is not a declaration that every ruler’s policy expresses God’s will. It is the particular assurance that even imperial history cannot prevent the Lord’s purpose for His people. Cyrus prepares a return; he does not replace Christ as Savior.

5. Orthodox Theological Reading

Redemption is personal, not abstract

“I have called thee by thy name” is one of the most tender lines in Isaiah. The Lord does not save humanity as a faceless mass. He calls persons. This resonates with baptism, chrismation, confession, and the whole sacramental life of the Church: salvation is ecclesial, but it is never anonymous.

The new exodus is fulfilled in Christ

The Red Sea, the wilderness, the rivers in dry land, and the return from Babylon all point to the Pascha of Christ. The Lord Jesus leads humanity through death into life. The Cross is the passage through fire; baptism is the passage through water; the Resurrection is the new creation springing forth.

Confession is the truthful doorway into mercy

Isaiah 43:25-26 holds together two truths that must not be separated: God blots out sin for His own sake, and the sinner must confess. Mercy is not earned, but it must be received in truth. This gives the Orthodox practice of confession its biblical and spiritual depth: confession is not self-hatred; it is stepping into the light where God has already promised to heal.

The Holy Spirit makes the wilderness fruitful

Isaiah 44:3 moves from water to Spirit. In the Church this evokes baptism, chrismation, Pentecost, and the continual renewal of the heart. The Spirit does not merely improve a barren landscape; He makes it alive.

Anti-idolatry is a matter of love

God exposes idols because idols cannot love, forgive, hear, create, or save. To take an idol away from a person is not to impoverish him; it is to rescue him from ash. The Lord strips away false gods so that the human heart can return to the living God.

6. Christological Reading

Isaiah 43-44 points to Christ in several strong ways:

1. Christ the Redeemer who calls by name. The Lord who says “thou art mine” is fulfilled in Christ the Good Shepherd who calls His own sheep by name.
2. Christ the presence in water and fire. The Son enters the waters of the Jordan and sanctifies them; He enters death and destroys it; He is with His people in trial.
3. Christ the true Savior. “Beside me there is no Saviour” is fulfilled not by excluding Christ, but by revealing Him as the incarnate Lord who saves.
4. Christ the new exodus. He leads His people out of bondage to sin, death, and the devil.
5. Christ the new thing. The Incarnation, Virgin Birth, Cross, Resurrection, and gift of the Spirit are the true new creation.
6. Christ the one who blots out sin. Isaiah’s promise of sins forgotten is fulfilled in the blood of the covenant and the Church’s ministry of reconciliation.
7. Christ the First and the Last. Isaiah 44:6 stands behind the divine title used of Christ in Revelation: the First and the Last, the Living One who was dead and is alive forevermore.
8. Christ the Creator with the Father. The Lord’s creation “alone” is confessed without excluding the eternal Word through whom all things were made. Athanasius’s explanation of Isaiah’s one God guards this confession.¹

7. Christological Types and Prophecies

Isaiah text	Type or prophecy	Christological fulfillment
Isaiah 43:1	Called by name and redeemed	Christ calls His sheep by name and purchases them by His blood.
Isaiah 43:2	Passing through water and fire	Baptismal and Paschal hope in Christ’s presence through trial and death, not immunity from drowning, burning, or martyrdom.
Isaiah 43:5-7	Sons and daughters gathered from the ends of the earth	The Church gathered from all nations.
Isaiah 43:10-11	”Beside me there is no Saviour”	Christ is not a second god but the incarnate Lord and Savior.
Isaiah 43:16-19	Way in the sea, way in the wilderness	The new exodus accomplished through Christ’s Pascha.
Isaiah 43:20-21	Water in the wilderness for the chosen people	Baptism, the Spirit, and the life of the Gentile Church.
Isaiah 43:25-26	Sins blotted out and confession commanded	Forgiveness through Christ, received through repentance and confession.
Isaiah 44:3	Spirit poured on the seed	Pentecost, chrismation, and the Spirit’s renewal of the Church.
Isaiah 44:5	”I am God’s” written by hand	The seal of belonging to Christ, the sign of the Cross, and baptismal identity.
Isaiah 44:6	The First and the Last	Christ shares the divine title in Revelation.
Isaiah 44:21-23	Sins blotted out like cloud and creation rejoicing	Cosmic redemption in Christ.
Isaiah 44:27-28	Waters dried and Cyrus summoned	God’s providence over history; Cyrus as a limited type of deliverance, preparing the return but not replacing the Messiah.

8. Liturgical and Coptic Connections

The Coptic Katameros cycle includes four Lenten appointments here; these are not the only service uses of these chapters.⁶

1. Isaiah 43:1-9 appears on Friday of the fifth week of Great Lent, prophecy set: Deuteronomy 11:29-32; Deuteronomy 12:1-27; 1 Kings 17:2-24; Proverbs 5:1-12; Isaiah 43:1-9; Job 30:9-31; Job 32:1-5.
2. Isaiah 43:10-28 appears on Monday of the sixth week of Great Lent, prophecy set: Proverbs 8:1-11; Isaiah 43:10-28; Job 32:6-16.
3. Isaiah 44:1-8 appears on Tuesday of the sixth week of Great Lent, prophecy set: Proverbs 8:12-21; Isaiah 44:1-8; Job 32:17-22; Job 33:1-33; 2 Kings 5:1-27.
4. Isaiah 44:21-28 appears on Wednesday of the sixth week of Great Lent, prophecy set: Exodus 10:1-29; Exodus 11:1-10; Isaiah 44:21-28; Proverbs 8:22-36; Job 34:1-37; Sirach 10:1-33.

Read with their actual companions, these appointments can school catechumens, penitents, and the faithful in the Lord’s care:

• Week 5 Friday: the promise of presence through water and fire teaches trust without promising physical immunity. Injury or death does not prove abandonment.
• Week 6 Monday: “Be ye my witnesses” and “I blot out thy transgressions” join mission and repentance.
• Week 6 Tuesday: “I will put my Spirit upon thy seed” sits beside Naaman’s cleansing in 2 Kings 5, strengthening the baptismal resonance.
• Week 6 Wednesday: The Lord dries up waters and commands restoration, while Exodus 10-11 moves toward Passover judgment and deliverance.

A further appointment crosses the chapter boundary in both baptistery consecration and Apostles’ Feast Laqan:⁷

• Isaiah 43:16-44:6: baptistery consecration.
• Isaiah 43:16-44:6: Apostles’ Feast Laqan.

The reading runs from the way in the sea through the promise of the Spirit and the confession of the first and only God. It does not stop at Isaiah 43’s ending. Its companions include the wilderness waters and laver in Exodus, the living waters of Zechariah, and Isaiah 35:1–10. The baptismal interpretation rests within this actual service company.

9. Patristic Commentary Highlights

Cyprian: rivers and new birth

Cyprian receives the rivers in the dry land as a promise of baptismal life among the nations, within his letter’s discussion of the Eucharistic cup.² Water is not a self-working charm; the life promised is God’s gift.

Ambrose: blessing in the Spirit

Ambrose joins Isaiah 44:3 to the fullness of blessing through the Holy Spirit.³ Dryness is met by divine gift, not by a demand for the thirsty to become their own spring.

Athanasius and Basil: one God without confusion

Athanasius does not exclude the eternal Son from Isaiah’s one and only God.¹ Basil preserves the distinction of Father, Son, and Spirit without making three rival gods.⁴ This confession lets us worship Christ without abandoning Isaiah’s monotheism.

Cyril: the heart and its false support

In That Christ is One, speaker A names ignorance beneath impressive speech, and speaker B answers with Isaiah’s ash-heart image.⁵ Religious eloquence cannot replace living knowledge of God. The remedy is not contempt for another person but the return of our own trust to the Lord.

10. Spiritual Lessons

1. You are not saved by being impressive; you are saved by belonging to God. “Thou art mine” comes before visible strength.
2. God’s presence is not measured by physical immunity. Believers can be wounded or die; in Christ, divine fidelity reaches through death to resurrection.
3. The Church’s witness is humble testimony, not self-congratulation. Israel witnesses because God saves, not because Israel is flawless.
4. The new exodus requires leaving old identities behind. A way in the wilderness means the old route cannot remain the final route.
5. Confession is hope in action. The person who confesses believes mercy is possible.
6. The Holy Spirit makes dry ground fruitful. Spiritual barrenness is not final when God pours out His Spirit.
7. Every idol eventually turns the heart into ash. What cannot live cannot give life.
8. God governs history without being trapped by visible powers. Even Cyrus serves the Lord’s purpose.
9. Comfort and repentance belong together. Isaiah comforts the people deeply, but never flatters sin.
10. Christ is the true fulfillment of the new thing. He is the new exodus, new covenant, new creation, and living water.

12. Closing Meditation

The Lord does not say that the waters are imaginary. He says, “I am with thee.” The martyr, the injured person, and the bereaved are not outside that promise. He does not deny our sins; He blots out transgressions and calls us to confess. He does not flatter our false gods; He exposes the ash-heart’s empty support and calls us back to Himself.

Isaiah 43-44 teaches the soul to stand in three truths at once: I am weak, God has called me by name, and the idols cannot save me. This is the road of Lent and the road of the whole Christian life. The Lord who made a way through the sea now makes a way through sin, death, exile, and barrenness. He gives water in the wilderness, pours out His Spirit, and gathers His children to say with truth: “I am God’s.”

13. Translation, Version, and Source Notes

Embedded Scripture is from Brenton’s English Septuagint (LXX). Brenton uses the title Esaias; this guide uses Isaiah. The displayed Scripture retains its own names and wording. Christian fulfillment and further spiritual applications are distinguished from the words of the prophetic text.

Sources

The passage-specific sources cited in the footnotes below support the retained patristic and worship connections.

Teaching Notes

Overall teaching emphases

• Main teaching aim: Help the class read Isaiah 43-44 - New Exodus and True God as part of Isaiah’s movement from judgment to hope, with Christ and the Church in view.
• Where to linger: Slow down at the guide’s stated turning points, verified lectionary anchors, patristic witnesses, and difficult pastoral guardrails rather than racing through every verse.
• Teacher preparation: Read the full passage and its footnotes; distinguish prophecy, Christian fulfillment, and pastoral application.

Class-use guardrails

• Keep redemption, confession, Spirit, and anti-idolatry connected rather than teaching isolated slogans.
• Distinguish verified lectionary evidence from broader liturgical resonance.
• Do not quote secondary access points as if they were direct patristic authority.

Discussion questions

1. Where do you need to hear the Lord say, “Fear not… thou art mine”?
2. How can we accompany someone through suffering without suggesting that faith guarantees physical safety or that an injury reveals personal guilt?
3. What does it mean for the Church to be God’s witness without becoming proud?
4. How does Isaiah 43:25-26 reshape the way you think about confession?
5. In what way does Isaiah 44:3 connect Lent, baptism, chrismation, and Pentecost?
6. Which modern idol most easily becomes “a lie in my right hand”?
7. How does the naming of Cyrus strengthen faith in God’s providence over history?
8. How does this passage point to Christ as Savior without compromising the confession that the Lord alone is God?

Footnotes

1. Athanasius of Alexandria, Against the Arians, Discourse III, 6. https://www.ccel.org/ccel/schaff/npnf204.xxi.ii.iv.i.html#xxi.ii.iv.i-p57. ↩ ↩² ↩³ ↩⁴ ↩⁵

2. Cyprian of Carthage, Letter to Caecilius on the Eucharistic cup, 8; commonly Epistle 63, numbered 62 in this edition. https://www.newadvent.org/fathers/050662.htm. ↩ ↩²

3. Ambrose of Milan, On the Holy Spirit, 1.7.89. https://www.newadvent.org/fathers/34021.htm. ↩ ↩²

4. Basil the Great, On the Holy Spirit, 18.44–45. https://www.newadvent.org/fathers/3203.htm. ↩ ↩²

5. Cyril of Alexandria, That Christ is One, opening dialogue, speakers A and B, pp.237–238. https://www.tertullian.org/fathers/cyril_christ_is_one_01_text.htm. ↩ ↩²

6. Coptic Great Lent Katameros cycle, Friday of week five and Monday through Wednesday of week six, with the full prophecy sets listed above. ↩

7. Coptic service books, baptistery consecration and Apostles’ Feast Laqan, Isaiah 43:16–44:6 and its companion prophecies. ↩