Hebrews 1:13

1:13 But to which of the angels has he ever said, “Sit at my right hand until I make your enemies a footstool for your feet”?

Hebrews 2:2

2:2 For if the message spoken through angels proved to be so firm that every violation or disobedience received its just penalty,

Hebrews 12:22

12:22 But you have come to Mount Zion, the city of the living God, the heavenly Jerusalem, and to myriads of angels, to the assembly