Date: w. 1628, published in 1684, 1701

"We can best learn how mental intuition is to be employed by comparing it with ordinary vision."

— Descartes, René (1596-1650)

Date: 1751, 1791

"The mirrour, faithful to its charge, / Reflects the virgin's soul in large."

— Cotton, Nathaniel, the elder (1705-1788)

Date: 1764

"Such principles are parts of our constitution, no less than the power of thinking: reason can neither make nor destroy them; nor can it do any thing without them: it is like a telescope, which may help a man to see farther, who hath eyes; but without eyes, a telescope shows nothing at all."

— Reid, Thomas (1710-1796)