What is the nature of reality? That's not just a question college freshmen ask each other in the wee hours of the morning—it's nagged at people for centuries. At least 25 centuries, in fact, when the philosopher Plato wrote his best-known work, The Republic, which contains his infamous allegory of the cave.
Shadows On A Wall
What It All Means
Written by Curiosity Staff April 20, 2017
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