This brings us to the next corner: reality. When you speak of reality, physical-universe reality, it is a very interesting thing. There is really no such thing as the physical universe; there is a motion. But we sense something; we see something with our eyes, we hear something with our ears, we smell something with our nose, we touch something with our hands, and we decide, then, that there is something. But the only way we know it is through our senses and those senses are artificial channels. We are not in direct contact with the physical universe. We are in contact through our sense channels with it.
Those sense channels can be blunted. For instance, a man loses his eyesight, and as far as he is concerned there is no light or shape or color or depth perception to the physical universe. It still has a reality to him, but it is not the same reality as another persons. In other words, he is unable to conceive a physical universe completely without sight. One cant conceive these things without senses. So the physical universe is seen through these senses.
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