Hebrews 1:6-7
1:6 But when he again brings his firstborn into the world, he says, “Let all the angels of God worship him!”
1:7 And he says of the angels, “He makes his angels spirits and his ministers a flame of fire,”
Hebrews 5:6
5:6 as also in another place God says, “You are a priest forever in the order of Melchizedek.”