Date: 1704

"The practitioners of this famous art proceed, in general, upon the following fundamental, that the corruption of the senses is the generation of the spirit; because the senses in men are so many avenues to the fort of reason, which, in this operation, is wholly blocked up."

— Swift, Jonathan (1667-1745)

Date: 1711

"And reflecting on what is transacted within us, it seems to me a very diverting Scene to think when we strive to recollect something that does not then occur; how nimbly those volatil Messengers of ours will beat through all the Paths, and hunt every Enclosure of the Organ set aside for thinking...

— Mandeville, Bernard (bap. 1670, d. 1733)

Date: August 27, 1751

"The painted vales of imagination are deserted, and our intellectual activity is exercised in winding through the labyrinths of fallacy, and toiling with firm and cautious steps up the narrow tracks of demonstration."

— Johnson, Samuel (1709-1784)

Date: 1776

"Hence the strange parade he makes with regions, and recesses, hollow caverns, and private seats, wastes, and wildernesses, fruitful and cultivated tracks, words which, though they have a precise meaning as applied to country, have no definite signification as applied to mind."

— Campbell, George (1719-1796)