Date: 1774

Romances "ventilate the mind by sudden gusts of passion; and prevent the stagnation of thought, by a fresh infusion of dissimilar ideas"

— Barbauld, Anna Letitia [née Aikin] (1743-1825)

Date: 1774

"This activity of imagination, by which it darts with the quickness of lightning, through all possible views of the ideas which are presented, arises from the same perfection of the associating principles, which produces the other qualities of genius."

— Gerard, Alexander (1728-1795)

Date: 1776

"Whatever regards the analysis of the operations of the mind, which is quicker than lightning in all her energies, must in a great measure be abstruse and dark."

— Campbell, George (1719-1796)

Date: 1777

"Its [the heart's] liveliest advances are frequently impeded by the obstinacy of prejudice, and its brightest promises often obscured by the tempests of passion."

— More, Hannah (1745-1833)

Date: 1779-1780, 1781

"These clouds which he perceived gathering on his intellects he endeavoured to disperse by travel, and passed into France; but found himself constrained to yield to his malady, and returned."

— Johnson, Samuel (1709-1784)

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: 1782

"[A] sultry calm fails not to produce a storm, which dissipates the noxious vapours, and restores a purer air; the fiercest tempest, exhausted by its own violence, at length subsides; and an intense sun-shine, whilst it parches up the thirsty earth, exhales clouds, which quickly water it with ref...

— Jenyns, Soame (1704-1787)

Date: 1783

The human body is like a barometer: "If the external air can affect the motions of so heavy a substance as mercury, in the tube of the barometer; we need no wonder, that it should affect those finer fluids, that circulate through the human body."

— Beattie, James (1735-1803)

Date: April, 1783

"I asked him, if he could give me any notion of the situation of our ideas which we have totally forgotten at the time, yet shall afterwards recollect. He paused, meditated a little, and acknowledged his ignorance in the spirit of a philosophical poet, by repeating as a very happy allusion a pass...

— 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)