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: 1690, 1694, 1695, 1700, 1706

"Would the pictures coming into such a dark room but stay there, and lie so orderly as to be found upon occasion, it would very much resemble the understanding of a man, in reference to all objects of sight, and the ideas of them"

— Locke, John (1632-1704)

Date: 1701, 1704

"The application of our Thoughts to other Subjects is like looking upon the Rays of the Sun as it shines to us from a Wall, or upon the Image of it as it returns from a Watry Mirrour, but this is looking up directly against the Fons veri lucidus, the bright Source of Intellectual Light a...

— Norris, John (1657-1712)

Date: Tuesday, January 15, 1712

"The Pineal Gland, which many of our Modern Philosophers suppose to be the Seat of the Soul, smelt very strong of Essence and Orange-flower Water, and was encompassed with a kind of Horny Substance, cut into a thousand little Faces or Mirrours, which were imperceptible to the naked Eye, insomuch ...

— Addison, Joseph (1672-1719)

Date: 1715

"Speech was given to Man as the Image and Interpreter of the Soul: It is anime index & speculum, the Messenger of the Heart, the Gate by which all that is within issues forth, and comes into open View."

— Bulstrode, Richard, Sir (1610-1711)

Date: 1725

"Momus himself cou'd not have more descry'd, / Had he his Window to the Mind apply'd, / (So clear the Images appear) than we / In this true Philosophick Mirror see."

— Glanvil, John (1664-1735)

Date: 1734

"The question is, how this Familiarity arises? and how the Cabinet comes to be sensible of any thing that's put into it? A Scritore knows nothing of the Papers which the careful Banker locks up in it? Or a Glass, tho' it may be said to receive the Image of a Beau, and he really sees somewhat of h...

— Forbes of Pitsligo, Alexander Forbes, Lord (1678-1762)

Date: w. 1740, 1748

"Thirsting for Knowledge, but to know the right, / Thro' judgment's optick guide th' illusive sight, / To let in rays on Reason's darkling cell, / And Prejudice's lagging mists dispel."

— Walpole, Horatio [Horace], fourth earl of Orford (1717-1797)

Date: 1759

"If not with Prejudice, and Passion blind, / In Reason's Glass, you will your Error find. / Search the Recesses of the human Soul, / Mark there, what secret Springs her Acts controul."

— Marriott, Thomas (d. 1766)

Date: 1760-7

"[I]n the planet Mercury (belike) it may be so, if not better still for [the biographer];--for there the intense heat of the country, which is proved by computators, from its vicinity to the sun, to be more than equal to that of red hot iron,--must, I think, long ago have vitrified the bodies of ...

— Sterne, Laurence (1713-1768)