Date: 1664

"But I shall content myself with telling you more about how the traces are imprinted on the internal part of the brain which is the seat of the memory."

— Descartes, René (1596-1650)

Date: w. 1628, published in 1684, 1701

"First, in so far as our external senses are all parts of the body, sense-perception, strictly speaking, is merely passive, even though our application of the senses to objects involves action, viz. local motion; sense-perception occurs in the same way in which wax takes on an impression from a s...

— Descartes, René (1596-1650)

Date: w. 1628, published in 1684, 1701

"In all these functions the cognitive power is sometimes passive, sometimes active; sometimes resembling the seal, sometimes the wax."

— Descartes, René (1596-1650)

Date: w. 1628, published in 1684, 1701

"It should not be thought that I have a mere analogy in mind here: we must think of the external shape of the sentient body as being really changed by the object in exactly the same way as the shape of the surface of the wax is altered by the seal."

— Descartes, René (1596-1650)

Date: 1690, 1694, 1695, 1700, 1706

"But there is this farther Argument in it against their being innate: That these Characters, if they were native and original Impressions, should appear fairest and clearest in those Persons, in whom yet we find no Footsteps of them."

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"It might be very well expected, that these Principles should be perfectly known to Naturals; which being stamped immediately on the Soul (as these Men suppose) can have no dependence on the Constitutions, or Organs of the Body, the only confessed difference between them and others."

— Locke, John (1632-1704)

Date: 1690, 1694, 1695, 1700, 1706

"Characters drawn on Dust, that the first breath of wind effaces; or Impressions made on a heap of Atoms, or animal Spirits, are altogether as useful, and render the Subject as noble, as the Thoughts of a Soul that perish in thinking; that once out of sight, are gone for ever, and leave no memory...

— 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

"Let any one examine his own Thoughts, and throughly search into his Understanding, and then let him tell me, Whether all the original Ideas he has there, are any other than of the Objects of his Senses, or of the Operations of his Mind, considered as Objects of his Reflection: and how great a ma...

— Locke, John (1632-1704)

Date: 1698

"For, in case those Impressions on our Mind could have been made by means of the Senses, as aforesaid; then those Impressions, or Notions, being the Immediate Foundation, on which is built all our Knowledge, could not be call'd, or resembl'd to Rubbish; nor compar'd to a Hole, to lay the Foundati...

— Sergeant, John (1622-1707)