Date: January 1739

"Those perceptions which enter with most force and violence, we may name impressions; and, under this name, I comprehend all our sensations, passions, and emotions, as they make their first appearance in the soul."

— Hume, David (1711-1776)

Date: 1742

"Surely then no mistakes are ever committed in this affair; but every man, however dissolute and negligent, proceeds in the pursuit of happiness, with as unerring a motion, as that which the celestial bodies observe, when, conducted by the hand of the Almighty, they roll along the ethereal plains."

— Hume, David (1711-1776)

Date: 1746

"Passions are opposed to passions and one can serve as a counterweight to another."

— Luc de Clapiers, Marquis de Vauvenargues (1715-1747)

Date: 1748, 1777

"And shall we esteem it worthy the labour of a philosopher to give us a true system of the planets, and adjust the position and order of those remote bodies; while we affect to overlook those, who, with so much success, delineate the parts of the mind, in which we are so intimately concerned?"

— Hume, David (1711-1776)

Date: 1751, 1777

"Virtue, placed at such a distance, is like a fixed star, which, though to the eye of reason, it may appear as luminous as the sun in his meridian, is so infinitely removed, as to affect the senses, neither with light nor heat."

— Hume, David (1711-1776)

Date: 1751, 1777

"Why do philosophers infer, with the greatest certainty, that the moon is kept in its orbit by the same force of gravity, that makes bodies fall near the surface of the earth, but because these effects are, upon computation, found similar and equal? And must not this argument bring as strong conv...

— Hume, David (1711-1776)

Date: 1751

"The mind, therefore, in producing the vital and other involuntary motions, does not act as a rational, but as a sentient principle; which, without reasoning upon the matter, is as necessarily determined by an ungrateful sensation or stimulus affecting the organs, to exert its power, in bringing ...

— Whytt, Robert (1714-1766)

Date: Tuesday, January 8, 1751

"The old peripatetick principle, that Nature abhors a vacuum, may be properly applied to the intellect, which will embrace any thing, however absurd or criminal, rather than be wholly without an object."

— Johnson, Samuel (1709-1784)

Date: April 10, 1753

"The same contrariety of impulse may be perhaps discovered in the motions of men: we are formed for society, not for combination; we are equally unqualified to live in a close connection with our fellow beings, and in total separation from them: we are attracted towards each other by general symp...

— Johnson, Samuel (1709-1784)

Date: 1757

"Whatever turns the soul inward upon itself, tends to concenter forces, and to fit it for greater and stronger flights of science."

— Burke, Edmund (1729-1797)