Revelation 7:9-10

After this I looked, and behold, right in front of me I saw a vast multitude of people—an enormous multitude so huge that no one could count—made up of victorious ones from every nation, tribe, people group, and language. They were all in glistening white robes, standing before the throne and before the Lamb with palm branches in their hands. And they shouted out with a passionate voice: “Salvation belongs to our God seated on the throne and to the Lamb!”