Sheol, the barren womb, the earth ever thirsty for water, and the fire that never says, "Enough."
References for Proverbs 30:16
The eye that mocks a father and scorns to obey a mother will be pecked out by the ravens of the valley and eaten by the vultures.
Three things are too wonderful for me; four I do not understand:
the way of an eagle in the sky, the way of a snake on a rock, the way of a ship on the high seas, and the way of a man with a girl.
This is the way of an adulteress: she eats, and wipes her mouth, and says, "I have done no wrong."
Under three things the earth trembles; under four it cannot bear up:
a slave when he becomes king, and a fool when glutted with food;
an unloved woman when she gets a husband, and a maid when she succeeds her mistress.
Four things on earth are small, yet they are exceedingly wise:
the ants are a people without strength, yet they provide their food in the summer;
the badgers are a people without power, yet they make their homes in the rocks;