"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)
(Part I, §144, p. 107)
See also Tonson's London edition: A Treatise Concerning the Principles of Human Knowledge. Wherein the Chief Causes of Error and Difficulty in the Sciences, with the Grounds of Scepticism, Atheism, and Irreligion, are Inquired Into. First Printed in the Year 1710. To Which are Added Three Dialogues between Hylas and Philonous, in Opposition to Scepticks and Atheists. First Printed in the Year 1713. Both Written by George Berkeley, M. A. Fellow of Trinity-College, Dublin (London: Jacob Tonson, 1734). <Link to ECCO>
Text from Past Masters digitized version, based on second edition of 1734. From The Works of George Berkeley, ed. T. E. Jessop and A. A. Luce, vol. ii (Desirée Park: Thomas Nelson, 1979).