²² Over the head of the living creature there was the likeness of an expanse, like the awesome crystal to look on, stretched forth Over their heads above.

⁶ Before the throne was something like a sea of glass, similar to crystal. In the midst of the throne, and around the throne were four living creatures full of eyes before and behind.

¹⁹ Then I desired to know the truth concerning the fourth animal, which was diverse from all of them, exceedingly terrible, whose teeth were of iron, and its nails of brass; which devoured, broke in pieces, and stamped the residue with its feet;