Date: 1785

"Modern Philosophers, as well as the Peripatetics and Epicureans of old, have conceived, that external objects cannot be the immediate objects of our thought; that there must be some image of them in the mind itself, in which, as in a mirror, they are seen."

— Reid, Thomas (1710-1796)

Date: 1790

"And o'er Imagination's gloomy glass, / Despair's mute sons like Banquo's visions pass"

— Merry, Robert (1755-1798)

Date: 1796

"No drug, nor juice of all the acid tribe, / Can move the Tints, which Glassy Pores imbibe; / So no mean prejudice, no bribes, nor art, / Efface th' Impressions of an Upright Heart."

— Bishop, Samuel (1731-1795)