'Foolish' in the Bible

The Lord answered, "This will happen because my people are foolish. They do not know me. They are like children who have no sense. They have no understanding. They are skilled at doing evil. They do not know how to do good."

Tell them: 'Hear this, you foolish people who have no understanding, who have eyes but do not discern, who have ears but do not perceive:

The people of those nations are both stupid and foolish. Instruction from a wooden idol is worthless!