Revelation1:7-8

Look, he is coming with the clouds, and every eye will see him, even those who pierced him; and all the peoples of the earth will mourn because of him. So shall it be! Amen. "I am the Alpha and the Omega," says the Lord God, "who is, and who was, and who is to come, the Almighty."
(Revelation啟示錄1:7-8)