Ecclesiastes 10:11-14

If the serpent bites before it is charmed, there is no advantage to the charmer. 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?