Revelation 4:6-9

6and in front of the throne was something like a sea of glass, like crystal. In the middle of the throne and around the throne were four living creatures full of eyes in front and in back.

7The first living creature was like a lion, the second creature like an ox, the third creature had a face like a man’s, and the fourth creature looked like an eagle flying.

8Each 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!”

9And whenever the living creatures give glory, honor, and thanks to the one who sits on the throne, who lives forever and ever,