Hebrews 5:3-5

New Revised Standard Version Catholic Edition

³ and because of this he must offer sacrifice for his own sins as well as for those of the people. ⁴ And one does not presume to take this honor, but takes it only when called by God, just as Aaron was.

⁵ So also Christ did not glorify himself in becoming a high priest, but was appointed by the one who said to him,