Date: January 1739

"The attention is on the stretch; the posture of the mind is uneasy; and the spirits being diverted from their natural course, are not governed in their movements by the same laws, at least not to the same degree, as when they flow in their usual channel."

— Hume, David (1711-1776)

Date: 1740

"But notwithstanding the empire of the imagination, there is a secret tie or union among particular ideas, which causes the mind to conjoin them more frequently together, and makes the one, upon its appearance, introduce the other."

— Hume, David (1711-1776)

Date: 1751, 1777

"Another spring of our constitution, that brings a great addition of force to moral sentiment, is, the love of fame; which rules, with such uncontrolled authority, in all generous minds, and is often the grand object of all their designs and undertakings."

— Hume, David (1711-1776)