Are you familiar with optical illusions? These are images made to distort your perception so things do not appear to be the way they really are. This concept extends beyond contrived images and parlor stunts. Can you see clearly and understand things that are right in front of you? Have you ever misinterpreted things that were in plain sight? Perhaps a better term for this would be optical delusions. Your overall worldview affects your perceptions. You will see the world much differently, and more accurately, if you know that you, and everything that surrounds you, is grounded in the transcendent. He who has eyes to see, let him see.
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