Jeremiah 5:21 - Joseph Benson’s Commentary on the Old and New Testaments

Hear this, O foolish people Ignorant and imprudent, as blind to your interest as to your duty; and without understanding Hebrew, ואין לב, and there is no heart, or without heart, stupid and regardless of all counsel, wisdom, and common sense. Which have eyes and see not, &c. Wilfully blind, and obstinately deaf, who will neither see nor hear the word, will, or works of God; of which he gives two instances in the two following verses.