Date: 1776

"By the memory, on the contrary, that great luminary of the mind, things past are exhibited in retrospect; we have no correspondent faculty to irradiate the future: and even in matters which fall not within the reach of our memory, past events are often clearly discoverable by testimony, and by e...

— Campbell, George (1719-1796)

Date: 1783

"Although there may be some few exceptions, yet in general it holds, that when the bent of the mind is wholly directed towards some one object, exclusive, in a manner, of others, there is the fairest prospect of eminence in that, whatever it be. The rays must converge to a point, in order to glow...

— Blair, Hugh (1718-1800)

Date: 1785

"When we come to be instructed by Philosophers, we must bring the old light of common sense along with us, and by it judge of the new light which the Philosopher communicates to us."

— Reid, Thomas (1710-1796)