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 4:8

4:8 Each one of the four living creatures had six wings and was full of eyes all around and inside. They never rest day or night, saying:

Holy Holy Holy is the Lord God, the All-Powerful,

Who was and who is, and who is still to come!”

Revelation 13:14

13:14 and, by the signs he was permitted to perform on behalf of the beast, he deceived those who live on the earth. He told those who live on the earth to make an image to the beast who had been wounded by the sword, but still lived.