Date: 1776

"But who that has the least spark of imagination, sees not how languid the latter expression is, when compared with the former."

— Campbell, George (1719-1796)

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: 1791

"If you can but kindle in your mind any strong desire, if you can but keep predominant any wish for some particular excellence or attainment, the gusts of imagination will break away, without any effect upon your conduct, and commonly without any traces left upon the memory."

— Boswell, James (1740-1795)