Date: 1751, 1777

"And, indeed, without such a correction of appearances, both in internal and external sentiment, men could never think or talk steadily on any subject; while their fluctuating situations produce a continual variation on objects, and throw them into such different and contrary lights and positions."

— Hume, David (1711-1776)

Date: 1754

"But in this we are much kinder to our sense than to our intellect; for in order to assist the former we use glasses and spectacles of all kinds adapted to our deficiency of sight, whereas in the latter we are so far from accepting the assistance of mental glasses or spectacles, that we often str...

— Fielding, Sarah (1710-1768) and Jane Collier (bap. 1715, d. 1755)

Date: 1759

"Bring him into society, and he is immediately provided with the mirror which he wanted before. It is placed in the countenance and behaviour of those he lives with, which always mark when they enter into, and when they disapprove of his sentiments; and it is here that he first views the propriet...

— Smith, Adam (1723-1790)

Date: 1760-7

"That had said glass been there set up, nothing more would have been wanting, in order to have taken a man's character, but to have taken a chair and gone softly, as you would to a dioptrical bee-hive, and look'd in,--view'd the soul stark naked;--observ'd all her motions,--her machinations;--tra...

— Sterne, Laurence (1713-1768)

Date: 1760-7

"[A]n illustration is no argument,--nor do I maintain the wiping of a looking-glass clean, to be a syllogism;--but you all, may it please your worships, see the better for it,--so that the main good these things do, is only to clarify the understanding, previous to the application of the argument...

— Sterne, Laurence (1713-1768)

Date: 1760-1761, 1762

"But of all the wonders of the east, the most useful, and I should fancy, the most pleasing, would be the looking-glass of Lao, which reflects the mind as well as the body."

— Goldsmith, Oliver (1728?-1774)

Date: 1760-1761, 1762

"I must own, by this time I began myself to suspect the fidelity of my mirror; for as the ladies appeared at least to have the merit of rising early, since they were up at five, I was amazed to find nothing of this good quality pictured upon their minds in the reflection; I was resolved therefore...

— Goldsmith, Oliver (1728?-1774)

Date: w. 1739, 1762

Melancholy's "transient Forms like Shadows pass, / Frail Offspring of the magic Glass, / Before the mental Eye."

— Carter, Elizabeth (1717-1806)

Date: 1764

"Such principles are parts of our constitution, no less than the power of thinking: reason can neither make nor destroy them; nor can it do any thing without them: it is like a telescope, which may help a man to see farther, who hath eyes; but without eyes, a telescope shows nothing at all."

— Reid, Thomas (1710-1796)

Date: 1766

"For Brag [a card game] most wisely was design'd, / To shew each pimple of the mind, / The faithful mirror of the heart, / Each lurking foible to impart."

— Jemmat [née Yeo], Catherine (bap. 1714, d. 1766?)