Date: 1789

"We have already hinted, that for the same, or similar reasons, none of the ordinary organs of sense are qualified to receive or communicate distinct impressions, till the brain, the common emporium of them all, has acquired those properties which must fit it for its arduous offices; and, as in t...

— Couper, Robert (1750-1818)

Date: 1789, 1800

"Human Nature's his show-box--your friend, would you know him? / Pull the string, Ruling Passion--the picture will show him."

— Burns, Robert (1759-1796)

Date: 1793

"Flit, Galloway, and find / Some narrow, dirty, dungeon cave, / The picture of thy mind"

— Burns, Robert (1759-1796)