Date: 1771, 1776

"The mind untaught / 'Is a dark waste, where fiends and tempests howl; / 'As Phebus to the world, is Science to the soul."

— Beattie, James (1735-1803)

Date: 1771, 1776

"And Reason now through Number, Time, and Space, / 'Darts the keen lustre of her serious eye, / 'And learns, from facts compared, the laws to trace, / 'Whose long progression leads to Deity."

— Beattie, James (1735-1803)

Date: 1773

"The way we tread is rugged at best; we tread it, however, lighter by the prospect of that better country to which we trust it will lead; tell us not that it will end in the gulph of eternal dissolution, or break off in some wild, which fancy may fill up as she pleases, but reason is unable to de...

— Mackenzie, Henry (1745-1831)

Date: 1774

"While a man is engaged in composition or investigation, he often seems to himself to be fired with his subject, and to teem with ideas; but on revising the work, finds that his judgment is offended, and his time lost. An idea that sparkled in the eye of fancy, is often condemned by judgment as f...

— Gerard, Alexander (1728-1795)

Date: 1774

"Penetration implies such a force of imagination as leads to the comprehension and explication of a subject: brightness of imagination fits a man for adorning a subject. A penetrating mind emits the rays by which truth is discovered: a bright fancy supplies the colours by which beauty is produced."

— Gerard, Alexander (1728-1795)

Date: 1774

"Their hearts of comfort felt no ray."

— Blacklock, Thomas (1721-1791)

Date: 1776

"The lights of the mind are, if I may so express myself, in an opposite situation to the lights of the body."

— Campbell, George (1719-1796)

Date: 1776

"By the memory, on the contrary, that great luminary of the mind, things past are exhibited in retrospect; we have no correspondent faculty to irradiate the future: and even in matters which fall not within the reach of our memory, past events are often clearly discoverable by testimony, and by e...

— Campbell, George (1719-1796)

Date: April, 1778

"Cicero, upon whose mind the advancing rays of celestial philosophy beamed with a brightness very admirable in a Pagan period of time, before the Sun of Righteousness arose, and shone forth in full splendour upon the world, informs us, in his Tusculan Questions, of a very remarkable interview bet...

— Boswell, James (1740-1795)

Date: April, 1783

"An Hypochondriack is subject to forgetfulness, which may be owing to another cause; that there is a darkness in his mind, or that its perceptive eye is injured and weak at times."

— Boswell, James (1740-1795)