Lent · Fifth Sunday in Lent · Year C
Isaiah 43:16-21
God’s Mercy and Israel’s Unfaithfulness
April 2, 2028

Overview & Insights
“Behold, I am doing a new thing... I will make a way in the wilderness and rivers in the desert.” (Isaiah 43:19)
After the parallel sequences of prophecies in 41:1–20 and 41:21–42:17 have come to their natural end in praise, a new pair of sequences begins. First Yahweh directly confronts Jacob-Israel about its capacity to fulfill the servant role (42:18–25). Then Jacob-Israel is reassured that nevertheless Yahweh, the one who brought the community into being, is still committed to it (43:1–7). Further, its calling to be Yahweh’s servant still stands, and beyond that, Yahweh intends that it shall also function as witnesses for Yahweh in the legal battle over who is really God (43:8–13). Fourth, Yahweh explicitly declares the intention to defeat Babylon for Jacob-Israel’s sake (43:14–21). After this fourth unit Yahweh returns to confronting Jacob-Israel. At this point a sequence parallel to 42:18–43:21 begins and develops these points further.
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Commentary
Commentary on Isaiah 43:16-21 Working Preacher
A Lutheran voice on the tension between yesterday's gospel and today's need to hear it again.
Isaiah 43:16-21 Commentary Center for Excellence in Preaching
A Reformed preaching-focused reading of the passage's past-and-future theme.
Isaiah 43 Commentary Enduring Word · David Guzik
Walks through the chapter's promise of a new exodus in plain terms.
Isaiah 43:16 Commentaries BibleHub
Lines up several classic commentators on the verse.
Isaiah 43 (Jamieson-Fausset-Brown) StudyLight
Adds a compact older commentary voice for comparison.
Isaiah 43:16 Interlinear BibleHub
Shows the Hebrew word by word behind the exodus imagery.
Background & Word Study
Isaiah 43:16-21: Former Things and New Things Enter the Bible
Explains how Second Isaiah sets old and new acts of God side by side.
Isaiah 43:16-21 Sefaria
Gives the Hebrew text alongside translation and cross-referenced classical Jewish commentary.
Book of Isaiah Overview (Ch. 1-39) BibleProject
Places this passage within Isaiah's larger movement from judgment to hope.
Questions preachers ask
What is the new thing in Isaiah 43?
God calls his people to stop dwelling on former things, for he is making a new way through the wilderness, blotting out their sins for his own sake.
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