Its kind of like saying "I don't believe in electricity", and thinking you will be unharmed by sticking your tongue into an outlet, unless you are a transcendant Zen Master, you will still come away from the experience in a very different state than when you began.
Ever heard of "Creation Science"? It is more real than anthropology and geology to those who believe in it.
Even scientists filter their understanding of science through their personal understanding and experience.
Taking it one step further, our perception of the "real" world is filtered through our own experience and personal preconceptions. One learns to draw more realistically by drawing what the eye actually sees instead of what we think we are seeing.
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