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And that's a lot of the reason why we care so much about our careers and indeed start caring so much about material goods. You know, we're often told that we live in very materialistic times, that we're all greedy people. I don't think we are particularly materialistic. I think we live in a society which has simply pegged certain emotional rewards to the acquisition of material goods. It's not the material goods we want;

Mathematics is the poetry of logical ideas.

藝術是我的全部生命。

冒險是必要的，但經過計算的冒險才是天才之舉。