A largely studied portion of The Republic deals with Plato’s cave allegory. The story goes something like this: You, as a person, find yourself within a cave, chained to the ground, facing a stone wall. You cannot stand, and all you know are the images that play out before you, which are the shadows cast by a light source from behind you. You cannot see behind you, but you know that there are others in the cave with you. This is the only state you have ever known.