Context & Key Themes
Isaiah 12 is only six verses, but it functions as the doxological capstone of the entire first section of the book. Chapters 1 through 11 have moved through indictment, judgment, the failure of kings, the call of the prophet, the Immanuel sign, the dark commission, the coming light, the child with the fourfold name, the rod of Assyria, and the shoot from Jesse’s stump. Now, standing on the far side of all that, the people sing. The anger has turned away. God has become their salvation. And they draw water with joy from the wells of salvation.
Key Verse
“Behold, God is my salvation; I will trust, and will not be afraid; for the Lord God is my strength and my song, and he has become my salvation.”
— Isaiah 12:2
Summary
You will say in that day: I will give thanks to you, O Lord, for though you were angry with me, your anger turned away, that you might comfort me. Behold, God is my salvation; I will trust, and will not be afraid; for the Lord God is my strength and my song, and he has become my salvation. With joy you will draw water from the wells of salvation.
And you will say in that day: give thanks to the Lord, call upon his name, make known his deeds among the peoples, proclaim that his name is exalted. Sing praises to the Lord, for he has done gloriously; let this be made known in all the earth. Shout and sing for joy, O inhabitant of Zion, for great is the Holy One of Israel in your midst.
Reflection
The phrase though you were angry with me is not a small concession. It is the acknowledgment that everything in the preceding eleven chapters was real — the indictment, the judgment, the Assyrian flood reaching to the neck, the desolation decreed. The person singing this song has not forgotten any of it. They are singing on the other side of it, and the song is possible precisely because they know what it cost.
The image of drawing water with joy from the wells of salvation is one of the richest in the Old Testament. Water in a dry land is not an abstraction. It is survival. The wells of salvation are not a poetic flourish for a vague spiritual feeling — they are the source of what sustains life itself, and drawing from them with joy means that the long thirst is over. John 7:37 echoes this directly when Jesus stands in the temple and cries out: if anyone thirsts, let him come to me and drink.
The call to proclaim, to make known, to sing praises so that all the earth hears — this is the missionary impulse embedded in Israel’s salvation from the beginning. The Holy One of Israel is great in your midst not so that Zion can keep it, but so that the nations can know it. The song that closes Section 1 is simultaneously the song that opens the door to everything Isaiah has yet to say.