Proverbs 17:22-28

A joyful heart is good medicine, but a crushed spirit dries up the bones. The wicked accepts a bribe in secret to pervert the ways of justice. The discerning sets his face toward wisdom, but the eyes of a fool are on the ends of the earth. A foolish son is a grief to his father and bitterness to her who bore him. To impose a fine on a righteous man is not good, nor to strike the noble for their uprightness. Whoever restrains his words has knowledge, and he who has a cool spirit is a man of understanding. Even a fool who keeps silent is considered wise; when he closes his lips, he is deemed intelligent.