Date: 1767

"Poetic Genius in particular cannot flourish either in uninterrupted SUNSHINE, or in continual SHADE. It languishes under the blazing ardor of a summer noon, as its buds are blasted by the damp fogs and chilling breath of a winter sky."

— Duff, William (1732-1815)

Date: 1770

"Let him not intrude upon the company of men of science; but repose with his brethren Aquinas and Suarez, in the corner of some Gothic cloister, dark as his understanding, and cold as his heart."

— Beattie, James (1735-1803)

Date: September, 1770

"This double feeling is of various kinds and various degrees; some minds receiving a colour from the objects around them, like the effects of the sun beams playing thro' a prism; and others, like the cameleon, having no colours of their own, take just the colours of what chances to be nearest them."

— Boswell, James (1740-1795)

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: 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)

Date: April, 1783

"Or it may be thus: his ideas hide themselves like birds in gloomy weather; but in warm sunshine they spring forth gay and airy."

— Boswell, James (1740-1795)