Hebrews 2:14; Hebrews 5:13; Hebrews 7:13

14 Since the children have flesh and blood, he too shared in their humanity so that by his death he might break the power of him who holds the power of death—that is, the devil—
13 Anyone who lives on milk, being still an infant, is not acquainted with the teaching about righteousness.
13 He of whom these things are said belonged to a different tribe, and no one from that tribe has ever served at the altar.