Date: 1710, 1734

"For example, the will is termed the motion of the soul: this infuses a belief, that the mind of man is as a ball in motion, impelled and determined by the objects of sense, as necessarily as that is by the stroke of a racket."

— Berkeley, George (1685-1753)

Date: 1713, 1734

"And that outward objects by the different impressions they make on the organs of sense, communicate certain vibrative motions to the nerves; and these being filled with spirits, propagate them to the brain or seat of the soul, which according to the various impressions or traces thereby made in ...

— Berkeley, George (1685-1753)