Proverbs 8:5 in the World English Bible
You simple, understand prudence! You fools, be of an understanding heart!
Context
4 Unto you, O men, I call; and my voice is to the sons of man.
5 O ye simple, understand wisdom: and, ye fools, be ye of an understanding heart.
6 Hear; for I will speak of excellent things; and the opening of my lips shall be right things.