Date: 1764

"His [Newton's] regulae philosophandi are maxims of common sense, and are practised every day in common life; and he who philosophizes by other rules, either concerning the material system, or concerning the mind, mistakes his aim."

— Reid, Thomas (1710-1796)

Date: Published serially, 1765-1770

"These ever apparent Ensigns of so dearly purchased Benefits shall inevitably attract the Wills of all Creatures, they shall cause all Hearts and Affections to rush and cleave to him, as Steel Dust rushes to Adamant, and as Spokes stick in the Nave whereon they are centred."

— Brooke, Henry (c. 1703-1783)

Date: 1770

"The passions are the true counterweights of the passions."

— Holbach, Paul Henri Thiry, Baron d' (1723-89)

Date: 1770

"The word 'sentiment' has, of late years, been much used by some writers, to signify, not a formed opinion, notion, or principle, (which seems to be the true, and the old English sense), but an internal impulse of passion, affection, fancy, or intellect, which is to be considered rather as the ca...

— Beattie, James (1735-1803)

Date: 1771

Speaking one's mind is "a publishing of some Energie or Motion" of the soul

— Harris, James (1709-1780)

Date: 1775

"Also those phenomena in nature which depend upon gravity, electricity, &c. are no less various and complex; and the more we know of nature, the more particular facts, and particular laws, we are able to reduce to simple and general laws: insomuch that now it does not appear impossible, but that,...

— Priestley, Joseph (1733-1804)

Date: 1775

"If there be but one vicious mind in the Set, 'twill spread like a contagion--the action of their pulse beats to the lascivious movement of the jigg--their quivering, warm-breath'd sighs impregnate the very air--the atmosphere becomes electrical to love, and each amorous spark darts thro' every l...

— Sheridan, Richard Brinsley (1751-1816)

Date: 1777

"My father did not then perceive this; it was not till he waited on Montauban, that the force of it struck his mind."

— Mackenzie, Henry (1745-1831)

Date: 1777

"If they say, that affection is a mere involuntary impulse, neither waiting the decisions of reason, or the dissuasive of prudence, do they not in reality degrade us to machines, which are blindly actuated by some uncontrollable power?"

— Mackenzie, Henry (1745-1831)

Date: 1779

"A man's natural inclination works incessantly upon him ... The force of the greatest gravity, say the philosophers, is infinitely small, in comparison of that of the least impulse: yet it is certain, that the smallest gravity will, in the end, prevail above a great impulse; because no strokes or...

— Hume, David (1711-1776)