I learned that the geometry of the space of qualia contains all phenomena of the world, said Galileo, defining what blue is and what red is, what color and what form, what sight and sound, what image and what thought. I learned we only know the world as constructed by our brain, in its own image and likeness. That all is in the brain, not just color and taste, but also space and time, mass, number, and extension. That all is paradox: the brain, a small knot in the fabric of the world, is the sole source of the world itself. But then the world is the sole source of our brain. I learned we are
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