Revelation 4:8

4:8 Each one of the four living creatures had six wings and was full of eyes all around and inside. They never rest day or night, saying:

“Holy Holy Holy is the Lord God, the All-Powerful,

Who was and who is, and who is still to come!”

Revelation 7:14

7:14 So I said to him, “My lord, you know the answer.” Then he said to me, “These are the ones who have come out of the great tribulation. They have washed their robes and made them white in the blood of the Lamb!

Revelation 14:13

14:13 Then I heard a voice from heaven say, “Write this:

‘Blessed are the dead,

those who die in the Lord from this moment on!’”

“Yes,” says the Spirit, “so they can rest from their hard work, because their deeds will follow them.”