Date: 1785

"He conjectured, that the soul is seated in a small gland in the brain, called the pineal gland: That there, as in her chamber of presence, she receives intelligence of every thing that affects the senses, by means of a subtile fluid contained in the nerves, called the animal spirits; and that sh...

— Reid, Thomas (1710-1796)

Date: 1793

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

— Burns, Robert (1759-1796)