As for the wheels, &c.— And he cried unto them in my hearing, Run. The command is given to the four wheels in the singular number, because the motion of the four was one and the same. See Houbigant. The wheels were animated, therefore addressed; because capable of obeying the great charioteer, chap, Ezekiel 1:20.
——Wheel within wheel undrawn, Itself instinct with spirit. PARADISE LOST, vi. 751.