Date: 1748, 1777

"This impression of my senses immediately conveys my thought to the person, together with all the surrounding objects. I paint them out to myself as existing at present, with the same qualities and relations, of which I formerly knew them possessed."

— Hume, David (1711-1776)

Date: 1748, 1754

"A very slight Inspection into human Nature suggests to us, that no kind of Objects make so powerful an Impression on us as those which are immediately impressed on our Senses, or strongly painted on our Imaginations."

— Fordyce, David (bap. 1711, d. 1751)

Date: 1748, 1749

"I always use the word imagine, because I am of the opinion that everything is imagined, and that all the parts of the soul may be justly reduced to the imagination only, which forms them all; and thus the judgment, reason, and memory are not absolute faculties of the soul, but real modifications...

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"By its flattering pencil the cold skeleton of abstract reason assumes living and vermillion flesh; but it the sciences flourish, arts are embellished, woods speak, echoes sigh, rocks weep, marble breathes, and all the inanimate bodies are suddenly inspired with life."

— Julien Offray de La Mettrie (1709-1751)

Date: 1748, 1749

"The sun, the air, the water, the organization and form of bodies, are all rang'd in order in the eye, as in a looking-glass, which represents to the imagination the pictures of all the objects painted there, according to the laws of vision, which prevail amongst that numberless variety of partic...

— Julien Offray de La Mettrie (1709-1751)

Date: 1751

"Tho' an impression is made upon the mind, by means of the image painted upon the retina, whereby the external object is perceived; yet nature has carefully concealed this impression from us, in order to remove all ambiguity, and to give us a distinct feeling of the object itself, and of that only."

— Home, Henry, Lord Kames (1696-1782)

Date: 1751

"Another Source of mutual Misapprehension on this Subject hath been 'the Introduction of metaphorical Expressions instead of proper ones.' Nothing is so common among the Writers on Morality, as 'the Harmony of Virtue'—'the Proportion of Virtue.'"

— Brown, John (1715-1766)

Date: 1751

"They [sense, imagination, and passion] are no more than the several Species of simple Colours laid, as it were, upon the Pallet; which, variously combined and associated by the Hand of an experienced Master, would indeed call forth every striking Resemblance, every changeful Feature of the Heart...

— Brown, John (1715-1766)

Date: 1751

"In walking the streets, how many persons of one's acquaintance are every minute presented to the mind, as their pictures are painted on the retina; yet if we be alone, having our thoughts strongly turned upon a particular subject, or else be deeply engaged in conversation with a friend, we are o...

— Whytt, Robert (1714-1766)

Date: August 27, 1751

"When a number of distinct images are collected by these erratick and hasty surveys, the fancy is busied in arranging them; and combines them into pleasing pictures with more resemblance to the realities of life as experience advances, and new observations rectify the former."

— Johnson, Samuel (1709-1784)