This is because God never said to any of the angels, “You are my Son. Today I have become your Father.” Nor did God say of any angel, “I will be his Father, and he will be my Son.”
Solomon will build a temple for worship to me. He will be my son, and I will be his father. I will make his kingdom strong; someone from his family will rule Israel forever.’ ”
God has made this promise come true for us, his children, by raising Jesus from the dead. We read about this also in Psalm 2: ‘You are my Son. Today I have become your Father.’
So also Christ did not choose himself to have the honor of being a high priest, but God chose him. God said to him, “You are my Son. Today I have become your Father.”