Date: w. 1755, 1777

"But admitting a spiritual substance to be dispersed throughout the universe, like the ethereal fire of the Stoics, and to be the only inherent subject of thought, we have reason to conclude from analogy, that nature uses it after the same manner she does the other substance, matter."

— Hume, David (1711-1776)

Date: w. 1755, 1777

"She [Nature] employs it [spiritual substance] as a kind of paste or clay; modifies it into a variety of forms and existences; dissolves after a time each modification, and from its substance erects a new form."

— Hume, David (1711-1776)

Date: w. 1755, 1777

"And does any thing steel the breast of judges and juries against the sentiments of humanity but reflections on necessity and public interest?"

— Hume, David (1711-1776)

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: 1781

"What becomes of the old furniture when the new is continually introduced? In what hidden cells are these solid ideas lodged, that they may be produced again in good repair when wanted to fill the apartments of memory?"

— Rotheram, John (1725–1789)

Date: 1781

"Ideas of sense are but the first elements of thought: and the produce raised from these elements by the operation of the mind upon them is as far superiour to the elements themselves in variety, copiousness and use, as books are to the characters of which they are composed."

— Rotheram, John (1725–1789)

Date: 1781

"So that all material objects, in themselves, and to each other, are dark and naked: to the mind alone are they cloathed in all the pleasing variety of sensible qualities."

— Rotheram, John (1725–1789)

Date: 1781

"Mind, like a bride from a nobler family, enriches matter by its union, and brings as a dower, possessions before unknown. Henceforth matter appears cloathed in a gayer and richer garment; and the fruits of this union are a new progeny, to which matter, confining its alliance to its own family, c...

— Rotheram, John (1725–1789)

Date: 1781

"When the outward object hath made its impression, and stamped the idea, the passive organ hath then done its part, and the rest is accomplished by the presiding mind."

— Rotheram, John (1725–1789)