Proverbs Chapter 14, Verse 7

7: Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.- edit KJV text
7: Go against a foolish man, and he knoweth not the lips of prudence.— edit Douay text
7: All things are adverse to a foolish man; but wise lips are the weapons of discretion.— edit LXX text