Date: w. 350 B.C.

"Generally, about all perception, we can say that a sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold; what produces the impression is a signet of ...

— Aristotle (384-322 B.C.)

Date: w. 350 B.C.

"The process of movement stamps in, as it were, a sort of impression of the percept, just as persons do who make an impression with a seal."

— Aristotle (384-322 B.C.)

Date: w. 350 B.C.

"This explains why, in those who are strongly moved owing to passion, or time of life, no memory is formed; just as no impression would be formed if the movement of the seal were to impinge on running water; while there are others in whom, owing to the receiving surface being frayed, as happens t...

— Aristotle (384-322 B.C.)

Date: w. 350 B.C.

"The former are too moist, the latter too hard, so that in the case of the former the image does not remain in the soul, while on the latter it is not imprinted at all."

— Aristotle (384-322 B.C.)

Date: 1781

"When the outward object hath made its impression, and stamped the idea, the passive organ hath then done its part, and the rest is accomplished by the presiding mind."

— Rotheram, John (1725–1789)

Date: 1781

"Let matter then be allowed to furnish the first materials; the enlightened mind, which by its operations upon these discovers truth, and pursues it through all its distant connections, must have powers as far superiour to that which gave the first impression, as PHIDIAS is superiour to the marble."

— Rotheram, John (1725–1789)