Revelation 7:11-13

All the angels were standing around the throne and around the elders and the four living creatures. They fell down on their faces before the throne and worshiped God, saying: “Amen! Praise and glory and wisdom and thanks and honor and power and strength be to our God for ever and ever. Amen!” Then one of the elders asked me, “These in white robes—who are they, and where did they come from?”