Date: 1690, 1694, 1695, 1700, 1706

"To think often, and never retain it so much as one moment, is a very useless sort of thinking: and the Soul in such a state of thinking, does very little, if at all, excel that of a Looking-glass, which constantly receives variety of Images, or Ideas, but retains none; they disappear and vanish,...

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"These simple Ideas, when offered to the mind, the Understanding can no more refuse to have, nor alter, when they are imprinted, nor blot them out, and make new ones in it self, than a mirror can refuse, alter, or obliterate the Images or Ideas, which, the Objects set before it, do therein produce."

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"Which Qualities [hot, light, white, cold, sweet] are commonly thought to be the same in those Bodies, that those Ideas are in us, the one the perfect resemblance of the other, as they are in a Mirror."

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"I shall not here enquire, though it may seem probable, that the Constitution of the Body does sometimes influence the Memory; since we oftentimes find a Disease quite strip the Mind of all its Ideas, and the flames of a Fever, in a few days, calcine all those Images to dust and confusion, which ...

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"But when a cylindrical mirrour, placed right, hath reduced those irregular lines on the table into their due order and proportion, then the confusion ceases, and the eye presently sees that it is a man, or Caesar, i.e. that it belongs to those names; and that it is sufficiently distinguishable f...

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"It is true the perception produced by demonstration is also very clear, yet it is often with a great abatement of that evident lustre and full assurance, that always accompany that which I call intuitive; like a face reflected by several mirrors one to another, where as long as it retains the si...

— Locke, John (1632-1704)

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: 1691

Speech is the "Delight of Life and Mirrour of the Heart, / By which our Thoughts, which none can see, / We to our own and others Joys impart."

— Heyrick, Thomas (bap. 1649. d. 1694)

Date: 1691

" And that it was the practice of Youth (who like the Sun oft rises clear and dancing, though he sets in a Cloud) to look upon distant Prospects with a magnifying Fancy, laying these weighty Matters together, I resolved now to ride at Anchor one seven years within the sound of Bow-Bell."

— Dunton, John (1659–1732)