Judges 13:5,7
For, see, you shall conceive, and bear a son; and no razor shall come on his head: for the child shall be a Nazarite to God from the womb: and he shall begin to deliver Israel out of the hand of the Philistines.
Nave's Topical Index—AKJV

Judges 16:17
That he told her all his heart, and said to her, There has not come a razor on my head; for I have been a Nazarite to 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.
Nave's Topical Index—AKJV