Judges 14:12-13

12Then Samson said to them, “Let me now propose a riddle to you. If you can indeed solve it for me during the seven days of the banquet, and figure it out, then I will give you 30 linen garments and 30 changes of clothes;

13but if you cannot solve it for me, then you must give me 30 linen garments and 30 changes of clothes.” “Propose your riddle,” they said to him. “Let’s hear it!”