"I am not especially good at remembering the actualities of the world I inhabit, but I have pretty strong associative memories of how it feels to live in that world, and to wonder at its weird machinations, at any age."

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The ontology of materialism rested upon the illusion that the kind of existence, the direct "actuality" of the world around us, can be extrapolated into the atomic range. This extrapolation is impossible, however.

— Werner Heisenberg