Date: 1273

"For the relation of phantasms to the intellect is like the relation of colors to the sense of sight, as he says De Anima iii, 5,7. Therefore, as the species of colors are in the sight, so are the species of phantasms in the possible intellect."

— St. Thomas Aquinas (1225-1274)

Date: 1641

A geometrical argument fills the mind and allows one to see everything at a single glance

— Mersenne, Marin (1588-1648)

Date: 1641

A calm mind, free from the hurly-burly of external things, may fix its gaze on itself

— Arnauld, Antoine (1612-1694)

Date: 1641

"Now if we are to become aware of something, it is necessary for the thing to act on the cognitive faculty by transmitting its semblance to the faculty or by informing the faculty with its semblance. Hence it seems clear that the faculty itself, not being outside itself, cannot transmit a semblan...

— Gassendi, Pierre (1592-1655)

Date: 1705

"Natalis Comes says, The Genii or Daemons present us with the Species or Images of those things they would perswade us to, as in a Glass; on which Images, when our Soul privately looks, those things come into our Mind; which, if consider'd with Reason, give us a right determination of Mind."

— Beaumont, John (c.1640-1731)

Date: 1737, 1743

"The best way to prove the clearness of our mind, is by shewing its Faults; as when a Stream discovers the Dirt at the bottom, it convinceth us of the transparency and purity of the Water."

— Pope, Alexander (1688-1744)

Date: March 18, 2017

"The Hirshhorn has a sold-out exhibit of Yayoi Kusama's stunning infinity mirror rooms. But they are nothing compared to the infinity mirror room of Trump's mind, now on display a mile and a half away at the White House."

— Dowd, Maureen (b. January 14, 1952)

Date: February 16, 2019

"He says he became practiced at leading victims gently back to their traumas, so they could use their minds as cameras to bring key moments to life, letting their faces and voices tell the stories."

— Dowd, Maureen (b. January 14, 1952)