Hebrews 2:17

2:17 Therefore he had to be made like his brothers and sisters in every respect, so that he could become a merciful and faithful high priest in things relating to God, to make atonement for the sins of the people.

Hebrews 7:3

7:3 Without father, without mother, without genealogy, he has neither beginning of days nor end of life but is like the son of God, and he remains a priest for all time.

Hebrews 12:15

12:15 See to it that no one comes short of the grace of God, that no one be like a bitter root springing up and causing trouble, and through him many become defiled.