18. Three things are hard to me, and the fourth I am utterly ignorant of.
19. The way of an eagle in the air, the way of a serpent upon a rock, the way of a ship in the midst of the sea, and the way of a man in youth.
20. Such is also the way of an adulterous woman, who eateth, and wipeth her mouth, and saith: I have done no evil.
21. By three things the earth is disturbed, and the fourth it cannot bear: