Date: 1770

"A metaphysician, exploring the recesses of the human heart, hath just such a chance for finding the truth, as a man with microscopic eyes would have, for, finding the road."

— Beattie, James (1735-1803)

Date: 1774

"While awake, and in health, this busy principle [the imagination] cannot much delude us: it may build castles in the air, and raise a thousand phantoms before us; but we have every one of the senses alive, to bear testimony to its falsehood."

— Goldsmith, Oliver (1728?-1774)

Date: 1774

"Reason, therefore, at once gives judgment upon the cause; and the vagrant intruder, imagination, is imprisoned, or banished from the mind."

— Goldsmith, Oliver (1728?-1774)

Date: 1774

"Our eyes shew us that the prospect is not present; our hearing, and our touch, depose against its reality; and our taste and smelling are equally vigilant in detecting the impostor."

— Goldsmith, Oliver (1728?-1774)

Date: 1774

"But in sleep it is otherwise; having, as much as possible, put our senses from their duty, having closed the eyes from seeing, and the ears, taste, and smelling, from their peculiar functions, and having diminished even the touch itself, by all the arts of softness, the imagination is then left ...

— Goldsmith, Oliver (1728?-1774)

Date: 1774

"As in madness, the senses, from struggling with the imagination, are at length forced to submit, so, in sleep, they seem for a while soothed into the like submission: the smallest violence exerted upon any one of them, however, rouzes all the rest in their mutual defence; and the imagination, th...

— Goldsmith, Oliver (1728?-1774)

Date: 1779

"All our ideas derived from the senses are confusedly false and illusive; and cannot therefore be supposed to have place in a supreme intelligence: and as the ideas of internal sentiment, added to those of the external senses, compose the whole furniture of human understanding, we may conc...

— Hume, David (1711-1776)

Date: 1779

"A man's natural inclination works incessantly upon him ... The force of the greatest gravity, say the philosophers, is infinitely small, in comparison of that of the least impulse: yet it is certain, that the smallest gravity will, in the end, prevail above a great impulse; because no strokes or...

— Hume, David (1711-1776)

Date: 1780-85; in French, 36 vols. 1749-1788

"Is it difficult to perceive that our ideas originate from our senses alone; that the objects we regard as real existences, are those concerning which the senses uniformly give the same testimony."

— Buffon, Georges Louis Leclerc, comte de (1707-1788)

Date: [1782]

"I have already mentioned the BRAIN as the Capital Organ of all Sensation, and from it the Nerves all originate."

— Martin, Benjamin (bap. 1705, d. 1782)