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: 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: 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)