Revelation 11:1
The Fate of the Two Witnesses
11:1 Then a measuring rod like a staff was given to me, and I was told, “Get up and measure the temple of God, and the altar, and the ones who worship there.
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!