Riddle in the Bible

Judges 14:12-18 And Samson said unto them, I will now put forth a riddle unto you: if ye can certainly declare it me within the seven days of the feast, and find it out, then I will give you thirty sheets and thirty change of garments: 13 But if ye cannot declare it me, then shall ye give me thirty sheets and thirty change of garments. And they said unto him, Put forth thy riddle, that we may hear it. 14 And he said unto them, Out of the eater came forth meat, and out of the strong came forth sweetness. And they could not in three days expound the riddle. 15 And it came to pass on the seventh day, that they said unto Samson's wife, Entice thy husband, that he may declare unto us the riddle, lest we burn thee and thy father's house with fire: have ye called us to take that we have? is it not so? ...

Proverbs 30:15-16 The horseleach hath two daughters, crying, Give, give. There are three things that are never satisfied, yea, four things say not, It is enough: 16 The grave; and the barren womb; the earth that is not filled with water; and the fire that saith not, It is enough.
Proverbs 30:18-31 There be three things which are too wonderful for me, yea, four which I know not: 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 with a maid. 20 Such is the way of an adulterous woman; she eateth, and wipeth her mouth, and saith, I have done no wickedness. 21 For three things the earth is disquieted, and for four which it cannot bear: ...