Date: 1770

"But all his serious thoughts had rest in Heaven. / As some tall cliff, that lifts its awful form, / Swells from the vale and midway leaves the storm, / Though round its breast the rolling clouds are spread, / Eternal sunshine settles on its head."

— Goldsmith, Oliver (1728?-1774)

Date: 1779, 1781

"The variable weather of the mind, the flying vapours of incipient madness, which from time to time cloud reason, without eclipsing it, it requires so much nicety to exhibit, that Addison seems to have been deterred from prosecuting his own design."

— Johnson, Samuel (1709-1784)

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)

Date: 1785

"I was delighted with this flash bursting from the cloud which hung upon his mind, closed my letter directly, and joined the company."

— Boswell, James (1740-1795)

Date: 1791

"I have a wonderful superstitious love of mystery; when, perhaps, the truth is, that it is owing to the cloudy darkness of my own mind."

— Boswell, James (1740-1795)