Date: 1690, 1694, 1695, 1700, 1706

Internal and external sensation, "These alone, as far as I can discover, are the windows by which light is let into this dark room: For methinks the understanding is not much unlike a closet wholly shut from light, with only some little openings left, to let in external visible resemblances, or i...

— Locke, John (1632-1704)

Date: 1697

"Oh, let no groundless Prejudice oppose / The Light, that from so pure a Fountain flows. / May these kind Beams dispel the Clouds, and find / An unobstructed Passage to your Mind."

— Blackmore, Sir Richard (1654-1729)

Date: 1709, 1714

"They may perhaps be Monsters, and not Divinitys, or Sacred Truths, which are kept thus choicely, in some dark Corner of our Minds: The Specters may impose on us, whilst we refuse to turn 'em every way, and view their Shapes and Complexions in every light."

— Cooper, Anthony Ashley, third earl of Shaftesbury (1671-1713)

Date: From Thursd. April 6. to Saturd. April 8. 1710

"It [the light of Elysium] pierces the thickest Bodies, in the same Manner as the Sun Beams pass through Chrystal: It strengthens the Sight instead of dazzling it; and nourishes in the most inward Recesses of the Mind, a perpetual Serenity that is not to be express'd."

— Addison, Joseph (1672-1719)