Psalm 68:17; Hebrews 12:22; Revelation 5:11

17 The chariots of God are twice ten thousand, thousands upon thousands; the Lord is among them; Sinai is now in the sanctuary.
22 But you have come to Mount Zion and to the city of the living God, the heavenly Jerusalem, and to innumerable angels in festal gathering,
11 Then I looked, and I heard around the throne and the living creatures and the elders the voice of many angels, numbering myriads of myriads and thousands of thousands,