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)

Date: 1767, 1784

"The curious structure of these visual orbs, / The windows of the mind; substance how clear, / Aqueous, or crystalline! through which the soul, / As thro' a glass, all outward things surveys."

— Jago, Richard (1715-1781)

Date: March, 1778

"An antient philosopher indeed, full of real or pretended honesty, declared it to be his wish that there were a window in his breast that every body might see the integrity and purity of his thoughts. It would be truly be very pretty and amusing if our bodies were transparent, so that we could se...

— Boswell, James (1740-1795)