Ezekiel 1:15

12 And they went every one straight forward: whither the spirit was to go, they went; they turned not when they went.

13 As for the likeness of the living creatures, their appearance was like burning coals of fire, like the appearance of torches: [the fire] went up and down among the living creatures; and the fire was bright, and out of the fire went forth lightning.

14 And the living creatures ran and returned as the appearance of a flash of lightning.

15 Now as I beheld the living creatures, behold, one wheel upon the earth beside the living creatures, for each of the four faces thereof.

16 The appearance of the wheels and their work was like unto a beryl: and they four had one likeness; and their appearance and their work was as it were a wheel within a wheel.

17 When they went, they went in their four directions: they turned not when they went.

18 As for their rims, they were high and dreadful; and they four had their rims full of eyes round about.