Ezekiel 44:20
Neither shall they shave their heads, nor suffer their locks to grow long; they shall only cut off the hair of their heads.
Numbers 6:5
All the days of his vow of separation there shall no razor come upon his head: until the days be fulfilled, in which he separateth himself unto Jehovah, he shall be holy; he shall let the locks of the hair of his head grow long.
Leviticus 21:5-24
They shall not make baldness upon their head, neither shall they shave off the corner of their beard, nor make any cuttings in their flesh.
Deuteronomy 14:1
Ye are the children of Jehovah your God: ye shall not cut yourselves, nor make any baldness between your eyes for the dead.
1 Corinthians 11:14
Doth not even nature itself teach you, that, if a man have long hair, it is a dishonor to him?