Thousands of years before anyone understood the brain and the mechanics of perception, the Greek philosopher Plato came up with his famous Allegory of the Cave to represent how humans think about and perceive reality and truth. In the allegory, prisoners spend their whole life chained up in a cave, facing a wall with a fire at their back. Many objects, animals, and people pass in front of the fire behind them and cast shadows on the wall of the cave. The prisoners see these shadows and give each form different names. Eventually, a prisoner is released from the cave,…
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