Date: 1690, 1694, 1695, 1700, 1706

"I shall not here enquire, though it may seem probable, that the Constitution of the Body does sometimes influence the Memory; since we oftentimes find a Disease quite strip the Mind of all its Ideas, and the flames of a Fever, in a few days, calcine all those Images to dust and confusion, which ...

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"The Dominion of Man, in this little World of his own Understanding, being muchwhat the same, as it is in the great World of visible things: wherein his Power, however managed by Art and Skill, reaches no farther, than to compound and divide the Materials, that are made to his Hand; but can do no...

— Locke, John (1632-1704)

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: 1724

"As a Stone in a Wall, fastened with Mortar, compressed by surrounding Stones, and involved in a Million of other Attractions, cannot fall to the Earth, nor sensibly exert its natural Gravity, no, not so much as to discover there is such a Principle in it; just so, the intelligent Soul, in this h...

— Cheyne, George (1671-1743)

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: January 1739

"An idea assented to feels different from a fictitious idea, that the fancy alone presents to us: and this different feeling I endeavour to explain by calling it a superior force, or vivacity, or solidity, or firmness, or steadiness."

— Hume, David (1711-1776)

Date: 1751

"The mind, therefore, in producing the vital and other involuntary motions, does not act as a rational, but as a sentient principle; which, without reasoning upon the matter, is as necessarily determined by an ungrateful sensation or stimulus affecting the organs, to exert its power, in bringing ...

— Whytt, Robert (1714-1766)

Date: 1775

"Also those phenomena in nature which depend upon gravity, electricity, &c. are no less various and complex; and the more we know of nature, the more particular facts, and particular laws, we are able to reduce to simple and general laws: insomuch that now it does not appear impossible, but that,...

— Priestley, Joseph (1733-1804)

Date: 2001

"The spirals around the galactic core, the coin of hair over the drain, the mind looking down into itself--each formed by a hole it just barely avoids falling into."

— Richardson, James (b. 1950)