Without becoming metaphysical, I would just be happy to know what space and matter actually are, even with the limitations imposed by our senses. Just be able to keep "zooming" in to smaller and smaller scales...

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“He who asks a question is a fool for five minutes; he who does not ask a question remains a fool forever”
Chinese proverb
"All you need in this life is ignorance and confidence - and then success is sure." - Mark Twain.