Albert Barnes' Notes on the Whole Bible - Hebrews 5:5
So also Christ glorified not himself; - see the notes at John 8:54. The meaning is, that Jesus was not ambitious; that he did not obtrude himself into the great office of high priest; he did not enter upon its duties without being regularly called to it. Paul claimed that Christ held that office; but, as he was not descended front Aaron, and as no one might perform its duties without being regularly called to it, it was incumbent on him to show that Jesus was not an intruder, but had a regular... read more
Albert Barnes' Notes on the Whole Bible - Hebrews 5:4
And no man taketh this honor to himself - No one has a right to enter on this office unless he has the qualifications which God has prescribed. There were fixed and definite laws in regard to the succession in the office of the high priest, and to the qualifications of him who should hold the office.But he that is called of God as was Aaron - Aaron was designated by name. It was necessary that his successors should have as clear evidence that they were called of God to the office, as though... read more