So also Christ glorified not himself to be an high priest — That is, did not take this honour to himself, but received it from him who said, Thou art my Son, this day have I begotten thee — Not, indeed, at the same time; for his generation was from eternity. Psalms 2:7.
Related Commentaries of Hebrews 5:5
Hebrews 5:5
5 So also Christ glorified not himself to be made an high priest; but he that said unto him, Thou art my Son, to day have I begotten thee.