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: 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: 1782

"We now perceive every [idea], as it passes, through a small aperture separately, as in the camera obscura, and this we call time; but at the conclusion of this state we may probably exist in a manner quite different; the window may be thrown open, the whole prospect appear at one view, and all t...

— Jenyns, Soame (1704-1787)