Revelation 4:8
And the four living creatures had each of them six wings; round about and within they are full of eyes: and they rest not day and night, saying, Holy, holy, holy is the Lord God, the Almighty, who was, and who is, and who cometh.
Luke 1:10
And the whole multitude of the people were praying without, at the time of incense.
Hebrews 1:7
And of the angels he saith, Who maketh his angels spirits, and his ministers a flame of fire.
Revelation 7:11
And all the angels stood round about the throne and the elders and the four living creatures; and they fell before the throne on their faces, and worshipped God saying, Amen:
Revelation 8:13
and the night likewise, And I saw and heard an angel flying in the midst of heaven, saying with a loud voice, Wo, wo, wo to the inhabitants of the earth, by reason of the other voices of the trumpets of the three angels who are yet to sound.
Revelation 14:6
And I saw another angel flying in the midst of heaven, having an everlasting gospel to preach to them that dwell on the earth, and to every nation,