Proverbs 30:15-17

“The leech has two daughters. ‘Give! Give!’ they cry. “There are three things that are never satisfied, four that never say, ‘Enough!’: the grave, the barren womb, land, which is never satisfied with water, and fire, which never says, ‘Enough!’ “The eye that mocks a father, that scorns an aged mother, will be pecked out by the ravens of the valley, will be eaten by the vultures.