Date: 1769

"The first reverend sage who delivered himself on this mysterious subject, having stroked his grey beard, and hemmed thrice with great solemnity, declared that the soul was an animal; a second pronounced it to be the number three, or proportion; a third contended for the number seven, or harmony;...

— Smollett, Tobias (1721-1777)

Date: 1770

"A metaphysician, exploring the recesses of the human heart, hath just such a chance for finding the truth, as a man with microscopic eyes would have, for, finding the road."

— Beattie, James (1735-1803)

Date: September, 1770

"This double feeling is of various kinds and various degrees; some minds receiving a colour from the objects around them, like the effects of the sun beams playing thro' a prism; and others, like the cameleon, having no colours of their own, take just the colours of what chances to be nearest them."

— Boswell, James (1740-1795)

Date: 1785

"Modern Philosophers, as well as the Peripatetics and Epicureans of old, have conceived, that external objects cannot be the immediate objects of our thought; that there must be some image of them in the mind itself, in which, as in a mirror, they are seen."

— Reid, Thomas (1710-1796)