Luke 2:13-14
And suddenly there was with the angel a multitude of the heavenly host, praising God and saying, Glory to God in the highest;
Ephesians 3:10
That the manifold wisdom of God might now be made known by the church to the principalities and powers in heavenly places,
Revelation 5:11-14
And I saw and heard a voice of many angels, round about the throne and the living creatures and the elders; and the number of them was ten thousand times ten thousand, and thousands of thousands,
Revelation 7:9
After this I saw, and behold a great multitude, which no man could number, of all nations, and tribes, and people, and tongues, standing before the throne and before the Lamb, clothed with white robes and palms in their hands.