Date: April 30, 1730

"The spirit of the brain, distilled by the heat of the imagination, like some chemical preparations, when exposed to the air, is apt to smoke, to take fire, to crack, and bounce, to the no small disturbance of the neighbourhood."

— Richard Russel and John Martyn

Date: 1742

"Beware the counterfeit: in Passion's flame / Hearts melt; but melt like ice, soon harder froze."

— Young, Edward (bap. 1683, d. 1765)

Date: 1742

"A soul immortal, spending all her fires, / Wasting her strength in strenuous idleness, / Thrown into tumult, raptured, or alarm'd, / At aught this scene can threaten, or indulge, / Resembles ocean into tempest wrought, / To waft a feather, or to drown a fly."

— Young, Edward (bap. 1683, d. 1765)

Date: 1743

"He, the great Father, kindled at one flame / The world of rationals; one spirit pour'd / From Spirit's awful fountain; pour'd Himself / Through all their souls; but not in equal stream."

— Young, Edward (bap. 1683, d. 1765)

Date: 1755, 1771

"The' etherial soul that Heaven itself inspires / With all its virtues, and with all its fires, / Led by these sirens to some wild extreme, / Sets in a vapour when it ought to beam; / Like a Dutch sun that in the' autumnal sky / Looks through a fog, and rises but to die."

— Cawthorn, James (1719-1761)

Date: 1773

"Yet of etherial temper are their souls, / And in their veins the tide of honour rolls; / And valour kindles there the hero's flame, / Contempt of death, and thirst of martial flame. / And pity melts the sympathizing breast, / Ah! fatal virtue!—for the brave distrest."

— Day, Thomas (1748-1789)

Date: 1816

"Yet must I think less wildly:--I have thought / Too long and darkly, till my brain became, / In its own eddy boiling and o'erwrought, / A whirling gulf of phantasy and flame."

— Byron, George Gordon Noel, sixth Baron Byron (1788-1824)

Date: August 1817

"Whenever any object takes such a hold on the mind as to make us dwell upon it, and brood over it, melting the heart in love, or kindling it to a sentiment of admiration;--whenever a movement of imagination or passion is impressed on the mind, by which it seeks to prolong and repeat the emotion, ...

— Hazlitt, William (1778-1830)