^{9 Ref} And looking, I saw four wheels by the side of the winged ones, one wheel by the side of a winged one and another wheel by the side of another: and the wheels were like the colour of a beryl stone to the eye.

^{10 Ref} In form the four of them were all the same, they seemed like a wheel inside a wheel.

^{11 Ref} When they were moving, they went on their four sides without turning; they went after the head in the direction in which it was looking; they went without turning.