Fourth Seal - Alpha Omega

Revelation 1:8
"I am the Alpha and the Omega," says the Lord God, "who is, and who was, and who is to come, the Almighty."

Revelation 21:6
He said to me: "It is done. I am the Alpha and the Omega, the Beginning and the End. To him who is thirsty I will give to drink without cost from the spring of the water of life.

Revelation 22:13
I am the Alpha and the Omega, the First and the Last, the Beginning and the End.