Date: 1690, 1694, 1695, 1700, 1706

"In all these cases, Ideas in the Mind, quickly fade, and often vanish quite out of the Understanding, leaving no more footsteps or remaining Characters of themselves, than Shadows do flying over fields of Corn; and the Mind is as void of them, as if they never had been there."

— Locke, John (1632-1704)

Date: December 10, 1788; 1789

"Sometimes indeed it happens, that he may be able to mark the time, when from the sight of a picture, a passage in an author, or a hint in conversation, he has received, as it were, some new and guiding light, something like inspiration, by which his mind has been expanded, and is morally sure th...

— Reynolds, Joshua (1723-1792)