Ben Sira 45:24

24 Therefore a covenant of friendship was established with him, that he should be leader of the sanctuary and of his people, that he and his descendants should have the dignity of the priesthood forever.

Ben Sira 45:24 In-Context

22 But in the land of the people he has no inheritance, and he has no portion among the people; for the Lord himself is his portion and inheritance.
23 Phinehas son of Eleazar ranks third in glory for being zealous in the fear of the Lord, and standing firm, when the people turned away, in the noble courage of his soul; and he made atonement for Israel.
24 Therefore a covenant of friendship was established with him, that he should be leader of the sanctuary and of his people, that he and his descendants should have the dignity of the priesthood forever.
25 Just as a covenant was established with David son of Jesse of the tribe of Judah, that the king's heritage passes only from son to son, so the heritage of Aaron is for his descendants alone.
26 And now bless the Lord who has crowned you with glory. May the Lord grant you wisdom of mind to judge his people with justice, so that their prosperity may not vanish, and that their glory may endure through all their generations.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.