The verse opens with a stark declaration: 'Every man is stupid and without knowledge.' This isn't just about lacking facts; it points to a deeper, willful ignorance.
Jeremiah calls out a fundamental flaw in humanity: a disconnect between what we know and how we live.
The "Knowledge" That Fails
The text suggests that people possess a kind of knowledge, yet it leads them astray, making them 'brutish' – dull, unfeeling, or foolish. This isn't ignorance of facts, but ignorance of God and reality.
The Idol Maker's Shame
Craftsmen who pour their skill into creating idols are ultimately 'put to shame.' Their elaborate creations, meant to represent gods, are exposed as powerless and lifeless. This highlights the futility of trusting in anything man-made over the living God.