Judges 16:16-17

And it came to pass, when she pressed him daily with her words, and urged him, so that his soul was vexed unto death; that he told her all his heart, and said unto her, There hath not come a razor upon mine head; for I have been a Nazarite unto God from my mother's womb: if I be shaven, then my strength will go from me, and I shall become weak, and be like any other man.