Date: 1734

"And perhaps it is owing to this Medium or Canal, among other things, that having two Eyes and two Ears we do not see nor hear double."

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: 1737

"My faults will not be hid from you, and perhaps it is no dispraise to me that they will not: the cleanness and purity of one's mind is never better proved, than in discovering its own faults at first view; as when a stream shows the dirt at its bottom, it shows also the transparency of the water."

— Pope, Alexander (1688-1744)

Date: 1737, 1743

"The best way to prove the clearness of our mind, is by shewing its Faults; as when a Stream discovers the Dirt at the bottom, it convinceth us of the transparency and purity of the Water."

— Pope, Alexander (1688-1744)

Date: 1737, 1743

"It is with narrow-soul'd People as with narrow-neck'd Bottles: The less they have in them the more noise they make in pouring it out."

— Pope, Alexander (1688-1744)

Date: 1737

"You see 'tis with weak heads as with weak stomachs, they immediately throw out what they received last; and what they read floats upon the surface of their mind, like oil upon water, without incorporating."

— Pope, Alexander (1688-1744)

Date: 1738

A person may be called the same person by "a continual Superaddition of the like Consciousness ... Just as a Ship is called the same Ship, after the whole Substance is changed by frequent Repairs; or a River is called the same River, though the Water of it be every Day new."

— Clarke, Samuel (1675-1729)

Date: January 1739

"[I]t follows that every thing which invigorates and enlivens the soul, whether by touching the passions or imagination, naturally conveys to the fancy this inclination for ascent, and determines it to run against the natural stream of its thoughts and conceptions"

— Hume, David (1711-1776)

Date: January 1739

Personal identity may be like a river which is totally alter'd "in less than four and twenty hours."

— Hume, David (1711-1776)

Date: January 1739

"Since the imagination, therefore, in running from low to high, finds an opposition in its internal qualities and principles, and since the soul, when elevated with joy and courage, in a manner seeks opposition, and throws itself with alacrity into any scene of thought or action where its courage...

— Hume, David (1711-1776)

Date: January 1739

"The vividness of the first conception diffuses itself along the relations, and is convey'd, as by so many pipes or canals, to every idea that has any communication with the primary one."

— Hume, David (1711-1776)