Ancient Greece: Optics

https://www.hellenicaworld.com/Greece/Science/en/Optics.html

of colour. Those same philosophers of the Pythagoric school, in assigning the reason of the difference in colours, ascribe it to a mixture of the elements of light ; and divesting
Greece Online Encyclopedia

Campbel, Joseph "Myths to Live By"

https://carljung.ru/Library/EngCampMyth.htm

of so ago: clergymen, philosophers, government officers, and all. Today we know -- and know right well -- that there was never anything of the kind: no Garden of Eden anywhere on

Equality Versus Liberty: The Eternal Conflict

http://rcarterpittman.org/essays/misc/Equality_v_Liberty.html

1776 two half-demented philosophers of France, named Helvetius and Rousseau, (24) had maintained that "all men are equal," and had preached "the brotherhood of man." France was sa

The Decline of the West| Project Gutenberg

https://www.gutenberg.org/cache/epub/72344/pg72344-images.html

a part of him. What his philosophers occasionally told him on the subject they had heard, not experienced, and what a few brilliant minds in the Asiatic-Greek cities (such as Hipp

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