For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.
For my people is foolish - Yahweh's reply; they cannot be otherwise than miserable, since they persevere in sin. Sin is foolishness; and root is as He saith, "They have not known ME." The repetition of clauses gives greater force to the sentiment.
They are wise to do evil but to do good they have no knowledge - reversing the rule (Romans 16:19) "wise unto ... good, simple concerning evil."