Date: 1776

"Thus, language and thought, like body and soul, are made to correspond, and the qualities of the one exactly to co-operate with those of the other."

— Campbell, George (1719-1796)

Date: 1776

"And yet the Percipient cannot restrain the whole Interiour Correspondent System from striking at all; so as to cause Universal Stillness in the Cranium, (unless perhaps for a mere Moment;) because it must intend it at least; and Intending implies Thinking; and Thinking, Pulsation:--So that to ta...

— Applegarth, Robert (fl. 1776)

Date: December 10, 1776; 1777

"The same disposition, the same desire to find something steady, substantial and durable, on which the mind can lean as it were, and rest with safety. The subject only is changed."

— Reynolds, Joshua (1723-1792)

Date: w. 1755, 1777

"She [Nature] employs it [spiritual substance] as a kind of paste or clay; modifies it into a variety of forms and existences; dissolves after a time each modification, and from its substance erects a new form."

— Hume, David (1711-1776)

Date: 1777

"The minds of the negroes are contracted; because slavery destroys all the springs of the soul."

— Raynal, Guillaume Thomas (1713-1796)

Date: 1778

Where is a stock of ideas stored?

— Caulfield (fl. 1778)

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

"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)

Date: 1779, 1781

"The variable weather of the mind, the flying vapours of incipient madness, which from time to time cloud reason, without eclipsing it, it requires so much nicety to exhibit, that Addison seems to have been deterred from prosecuting his own design."

— Johnson, Samuel (1709-1784)

Date: 1779, 1781

"The man that sits down to suppose himself charged with treason or peculation, and heats his mind to an elaborate purgation of his character from crimes which he was never within the possibility of committing, differs only by the infrequency of his folly from him who praises beauty which he never...

— Johnson, Samuel (1709-1784)