Revelation 7:2–4
2 Then I saw another angel ascend from the rising of the sun, with the seal of the living God, and he called with a loud voice to the four angels who had been given power to harm earth and sea, 3 saying, “Do not harm the earth or the sea or the trees, till we have sealed the servants of our God upon their foreheads.” 4 And I heard the number of the sealed, a hundred and forty-four thousand sealed, out of every tribe of the sons of Israel,