What This Chapter Is About
Jeremiah 17 moves through four distinct sections that together form a meditation on the human heart and its relationship to God. It opens with the stunning image of Judah's sin engraved with an iron stylus on the tablet of their heart (17:1) — the opposite of the torah-on-the-heart promise of 31:33. The chapter then contrasts the cursed person who trusts in human strength (17:5-6) with the blessed person who trusts in the LORD, planted like a tree by water (17:7-8, echoing Psalm 1). At the center stands one of the most famous verses in the Hebrew Bible: 'The heart is deceitful above all things and desperately sick — who can understand it?' (17:9). Jeremiah's personal confession-prayer appears in 17:14-18, and the chapter closes with a Sabbath observance oracle (17:19-27).
What Makes This Chapter Remarkable
This chapter contains some of the most psychologically penetrating language in the entire Hebrew Bible. The iron-stylus metaphor of verse 1 inverts the later promise of 31:33 — where God will write his instruction on hearts of flesh, here sin has already been engraved on hearts of stone. The tree-by-water image (vv. 7-8) is so close to Psalm 1:3 that the relationship between the texts has been debated for centuries — whether Jeremiah drew on the psalm, the psalm drew on Jeremiah, or both drew on a common wisdom tradition. Verse 9's diagnosis of the human heart — aqov ('deceitful, twisted') and anush ('desperately sick, incurable') — is among the most unsparing anthropological statements in Scripture. Jeremiah's confession in verse 14, 'Heal me, LORD, and I will be healed; save me and I will be saved,' has entered Jewish liturgy (the eighth blessing of the Amidah).
Translation Friction
The word aqov in verse 9 is the same root as the name Ya'aqov (Jacob, 'the heel-grasper, the supplanter') — whether this is deliberate wordplay connecting Judah's heart to their ancestor's character is debated, and we noted it without forcing the interpretation. The relationship between the tree imagery (vv. 5-8) and Psalm 1 required careful rendering: the passages are related but not identical, and the differences matter. The Sabbath oracle (vv. 19-27) is sometimes regarded as a later addition by scholars because of its prose style and Deuteronomic language — we translate what the text says without editorial judgment on dating. The word et in verse 1 ('stylus' or 'pen') is rare and its exact referent debated.
Connections
The iron-stylus image (v. 1) anticipates by contrast the new covenant inscription of 31:33 — sin engraved on stone versus torah written on flesh. The tree-by-water passage (vv. 7-8) connects to Psalm 1:3, Ezekiel 47:12, and Revelation 22:2. Verse 9's heart-diagnosis connects to 11:20 and 20:12 where God 'tests the heart.' Jeremiah's confession (vv. 14-18) belongs to the series of prophetic confessions running through chapters 11-20. The Sabbath oracle connects to the broader Deuteronomic tradition (Deuteronomy 5:12-15) and to Nehemiah 13:15-22. The cursing-and-blessing contrast (vv. 5-8) echoes Deuteronomy 28 and Psalm 1.
**Tradition comparisons:** The Septuagint preserves a significantly different text tradition for Jeremiah. LXX chapter 17 begins at MT v. 5. LXX vv. 1-4 correspond to MT vv. 5-8 etc. The numbering offset means LXX 17:1 = MT 17:5. LXX LACKS vv. 1-4 completely. The LXX chapter begins at what is MT v. 5 ('Cursed is the man who trusts in man'). The omitted material includes the famous 'iron pen' / 'diamond point' imagery and the reference to Asherim and high places. Some schol... See the [LXX Jeremiah comparison](/lxx-jeremiah/17). Targum Jonathan provides interpretive renderings: The heavenly throne of glory corresponds to the earthly Temple. Jonathan establishes the two-tiered cosmology: the heavenly throne and the earthly sanctuary mirror each other. See [Targum Jonathan on Jeremiah](/targum/jeremiah). The Latin Vulgate shaped Western theology here: Pravum est cor (the heart is perverse/crooked) and inscrutabile (unsearchable) became proof-texts for total depravity and the unknowability of human motivation. Inscrutabile entered theological Latin... (2 notable Vulgate renderings in this chapter) See the [Vulgate Jeremiah](/vulgate/jeremiah).