Date: 1742, 1777

"Away then with all those vain pretences of making ourselves happy within ourselves, of feasting on our own thoughts, of being satisfied with the consciousness of well-doing, and of despising all assistance and all supplies from external objects."

— Hume, David (1711-1776)

Date: 1767

"The quality of which we are treating, wherever it is discovered, will afford such a delicious entertainment to the mind, that it can scarce be ever satisfied with a banquet so exquisitely prepared; satiety being prevented by a succession of dainties, ever various and every new."

— Duff, William (1732-1815)

Date: 1767

"But however properly arranged those materials may be, and however thoroughly digested this intellectual food, an original Genius will sometimes find an inconveniency resulting from it; for as no man can attend to and comprehend many different things at once, his mental faculties will in some cas...

— Duff, William (1732-1815)