Revelation 4:5-8

Lightning flashes and noises and thunder came from the throne. Before the throne seven lamps were burning, which are the seven spirits of God. Also before the throne there was something that looked like a sea of glass, clear like crystal. In the center and around the throne were four living creatures with eyes all over them, in front and in back. The first living creature was like a lion. The second was like a calf. The third had a face like a man. The fourth was like a flying eagle. Each of these four living creatures had six wings and was covered all over with eyes, inside and out. Day and night they never stop saying: “Holy, holy, holy is the Lord God Almighty. He was, he is, and he is coming.”