Judges 14:17-18

However Samson’s wife wept before him seven days while their [wedding] feast lasted, and on the seventh day he told her because she pressed him so hard. Then she told the [answer to the] riddle to her countrymen. So the men of the city said to Samson on the seventh day before sundown, “What is sweeter than honey? What is stronger than a lion?” And he said to them, “If you had not plowed with my heifer, You would not have solved my riddle.”