Date: 1776

"It is his purpose in this Work, on the one hand, to exhibit, he does not say, a correct map, but a tolerable sketch of the human mind; and aided by the lights which the poet and the orator so amply furnish, to disclose its secret movements, tracing its principal channels of perception and action...

— Campbell, George (1719-1796)

Date: April, 1783

"Let an Hypochondriack then have his park well stocked. Let him get as many agreeable ideas into his mind as he can; and though there may in wintery days seem: a total vacancy, yet when summer glows benignant, and the time of singing of birds is come, he will be delighted with gay colours and enc...

— Boswell, James (1740-1795)

Date: 1783

"Elegant speculations are sometimes found to float on the surface of the mind, while bad passions possess the interior regions of the heart."

— Blair, Hugh (1718-1800)

Date: 1784

"The truth is, a depth of cunning that enables them to over-reach, conceal, deceive, is the only province of the mind left for them, as slaves, to occupy."

— Ramsay, James (1733-1789)

Date: 1784

"The minds of these, our fellow-creatures, that are now drowned in ignorance, being thus opened and improved, the pale of reason would be enlarged; Christianity would receive new strength; liberty new subjects."

— Ramsay, James (1733-1789)

Date: 1785

"In later ages, Des Cartes was the first that pointed out the road we ought to take in those dark regions [of the mind]."

— Reid, Thomas (1710-1796)

Date: w. January 24, 1789

"Your dear idea reigns, and reigns alone; / Each thought intoxicated homage yields, / And riots wanton in forbidden fields."

— Burns, Robert (1759-1796)