Ezekiel 44:20
And they shall not shave their heads, and shearing, they shall shear their beads.
Numbers 6:5
All the days of the vow of his consecration a razor shall not pass over upon his head: till the filling up of the days which he shall consecrate to Jehovah, he shall be holy, increasing the locks of the hair of his head.
Leviticus 21:5-24
With baldness, they shall not make baldness upon their head, and they shall not shave the extremity of their beard: and in their flesh they shall not cut incisions.
Deuteronomy 14:1
Ye the sons of Jehovah your God: ye shall not cut yourselves, and ye shall not put baldness between your eyes for the dead.
1 Corinthians 11:14
Does not nature itself teach you, that, if a man truly have long hair, it is a dishonour to him?