Proverbs 30:18

15 The leech has two daughters: Give and Give. Three things are never satisfied; four never say, “Enough”: 16 Sheol, the barren womb, the land never satisfied with water, and the fire that never says, “Enough.”

17 The eye that mocks a father and scorns to obey a mother will be picked out by the ravens of the valley and eaten by the vultures.

18 Three things are too wonderful for me; four I do not understand: 19 the way of an eagle in the sky, the way of a serpent on a rock, the way of a ship on the high seas, and the way of a man with a virgin.

20 This is the way of an adulteress: she eats and wipes her mouth and says, “I have done no wrong.”

21 Under three things the earth trembles; under four it cannot bear up: