32 “If you play the fool and exalt yourself, or if you plan evil, clap your hand over your mouth!

Read Proverbs 30:32 Using Other Translations

If thou hast done foolishly in lifting up thyself, or if thou hast thought evil, lay thine hand upon thy mouth.
If you have been foolish, exalting yourself, or if you have been devising evil, put your hand on your mouth.
If you have been a fool by being proud or plotting evil, cover your mouth in shame.