Revelation 1:4

1:4 From John, to the seven churches that are in the province of Asia: Grace and peace to you from “he who is,” and who was, and who is still to come, and from the seven spirits who are before his throne,

Revelation 11:17

11:17 with these words:

“We give you thanks, Lord God, the All-Powerful,

the one who is and who was,

because you have taken your great power

and begun to reign.