Revelation 7:11-13

And all the angels stood round about the throne, and about the elders and the four beasts, and fell before the throne on their faces, and worshipped God, saying, Amen: Blessing, and glory, and wisdom, and thanksgiving, and honour, and power, and might, be unto our God for ever and ever. Amen. And one of the elders answered, saying unto me, What are these which are arrayed in white robes? and whence came they?