Date: 1764

"In the arts and sciences which have least connection with the mind, its faculties are the engines which we must employ; and the better we understand their nature and use, their defects and disorders, the more skilfully we shall apply them, and with the greater success."

— Reid, Thomas (1710-1796)

Date: w. 1764, 1953

"My mind is like an air-pump which receives and ejects ideas with wonderful facility."

— Boswell, James (1740-1795)

Date: 1771

"He observed, that her ladyship's brain was a perfect mill for projects; and that she and Tabby had certainly engaged in some secret treaty, the nature of which he could not comprehend"

— Smollett, Tobias (1721-1777)

Date: 1774

"A multitude of ideas, collected by such an imagination, form a confused chaos, in which inconsistent conceptions are often mixt, conceptions so unsuitable and disproportioned, that they can no more be combined into one regular work, than a number of wheels taken from different watches, can be un...

— Gerard, Alexander (1728-1795)

Date: 1774

"If it were not employed in this, genius must go on like a mere machine, and a person should have no power over it after it were once set in motion."

— Gerard, Alexander (1728-1795)

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: 1777

"You would not bid me adieu till the ship was getting under way: I believe you judged aright, if you meant to spare us both: the bustle of the scene, the rattling of the sails, the noise of the sailors, had a mechanical effect on the mind, and stifled those tender feelings, which we indulge in so...

— Mackenzie, Henry (1745-1831)

Date: March, 1778

"What that power is by which the conscious spirit governs and directs various mental faculties, is, it must be confessed, utterly inexplicable as long as our souls are enclosed in material frames. While a watch is shut up in its case, we cannot see how the operations of its curious machinery are ...

— Boswell, James (1740-1795)

Date: March, 1778

"An eminent physician in Holland, entrusted at once with a medical chair in the university of Leyden, and with the health of the Prince of Orange, being asked what the soul was? paused, and then answer, 'C'est un ressort. It is a spring.' As the main-spring actuates the wheels and other component...

— Boswell, James (1740-1795)

Date: March, 1778

"And my similitude between a watch in its case, and the soul in its material frame, will, I persuade myself, be agreeable to all my readers, whose dispositions are mild, and like better to be pleased with what they read, than to attack it."

— Boswell, James (1740-1795)