Numbers 25:10-13

10The Lord spoke to Moses,

11“Phinehas son of Eleazar, son of Aaron the priest, has turned back my wrath from the Israelites because he was zealous among them with my zeal, so that I did not destroy the Israelites in my zeal.

12Therefore declare: I grant him my covenant of peace.

13It will be a covenant of perpetual priesthood for him and his future descendants, because he was zealous for his God and made atonement for the Israelites.”