Ecclesiastes 10:12-15

The words of a wise man’s mouth win him favor, but the lips of a fool consume him. The beginning of the words of his mouth is foolishness, and the end of his talk is evil madness. A fool multiplies words, though no man knows what is to be, and who can tell him what will be after him? The toil of a fool wearies him, for he does not know the way to the city.