Date: 1664

"Indeed, one may compare the nerves of the machine I am describing with the pipes in the works of these fountains, its muscles and tendons with the various devices and springs which serve to set them in motion, its animal spirits with the water which drives them, the heart with the source of the ...

— Descartes, René (1596-1650)

Date: 1686, 1689, 1697

"Let us but consider a little the Receptacles of Images, the Regions of Imagination, the curious formation in all the Instruments of Sense; to which we may add the activity and subtlety of the Spirits, the delicate Contexture of the Nerves, the various Articulations of the Voice, the Harmony of F...

— Nourse, Timothy (c.1636–1699)

Date: 1691

"Thirdly, Let us hence duly learn to prize and value our Souls; is the Body such a rare Piece, what this is the Soul? the Body is but the Husk or Shell, the Soul is the Kernel; the Body is but the Cask, the Soul the precious Liquor contained in it; the Body is but the Cabinet; the Soul the Jewel;...

— Ray [formerly Wray], John (1627–1705)

Date: September 10, 1726

"To explain this, we must consider that the first Image which an outward Object imprints on our Brain is very slight; it resembles a thin Vapour which dwindles into nothing, without leaving the least track after it. But if the same Object successively offers itself several times, the Image it occ...

— Arbuckle, James (d. 1742)

Date: w. 1764, 1953

"My mind is like an air-pump which receives and ejects ideas with wonderful facility."

— Boswell, James (1740-1795)

Date: May 3, 2012

"A brain is not a computer. We are not blank hard drives waiting to be filled with data."

— Brooks, David (b. 1961)

Date: September 27, 2012

"The conservative mind, a repository of fresh ideas just two decades ago, is now little more than a click-click slide projector holding a tray of apocalyptic images of modern life that keeps spinning around, raising the viewer’s fever with every rotation."

— Lilla, Mark (b. 1956)

Date: May 19, 2014

"These days we tend to think of memory as a camera or a video recorder, filming, storing, and recycling the vast troves of data we accumulate throughout our lives."

— Specter, Michael (b. 1955)

Date: January 11, 2014

"'Think about a fish tank,' says Dr. Nedergaard. 'If you have a tank and no filter, the fish will eventually die. So, how do the brain cells get rid of their waste? Where is their filter?'"

— Konnikova, Maria (b. 1984)

Date: February 18, 2017

"So we're stuck in Trump's head with him. ... It's a very cluttered place to be, a fine-tuned machine spewing a torrent of chaos, cruelty, confusion, farce and transfixing craziness."

— Dowd, Maureen (b. January 14, 1952)