Bible Verses About Nazarites: Cutting or shaving the head

`All days of the vow of his separation a razor doth not pass over his head; till the fulness of the days which he doth separate to Jehovah he is holy; grown up hath the upper part of the hair of his head.

for, lo, thou art conceiving and bearing a son, and a razor doth not go up on his head, for a Nazarite to God is the youth from the womb, and he doth begin to save Israel out of the hand of the Philistines.'

that he declareth to her all his heart, and saith to her, `A razor hath not gone up on my head, for a Nazarite to God I am from the womb of my mother; if I have been shaven, then hath my power turned aside from me, and I have been weak, and have been as any of the human race.'