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: 1732

"Gorgias hath gone further, demonstrating man to be a piece of clock-work or machine; and that thought or reason are the same thing as the impulse of one ball against another."

— Berkeley, George (1685-1753)

Date: Tuesday, January 8, 1751

"The old peripatetick principle, that Nature abhors a vacuum, may be properly applied to the intellect, which will embrace any thing, however absurd or criminal, rather than be wholly without an object."

— Johnson, Samuel (1709-1784)

Date: April 10, 1753

"The same contrariety of impulse may be perhaps discovered in the motions of men: we are formed for society, not for combination; we are equally unqualified to live in a close connection with our fellow beings, and in total separation from them: we are attracted towards each other by general symp...

— Johnson, Samuel (1709-1784)

Date: 1791

"In progress of time, when my mind was, as it were, strongly impregnated with the Johnsonian aether, I could with much more facility and exactness, carry in my memory and commit to paper the exuberant variety of his wisdom and wit."

— Boswell, James (1740-1795)