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You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.

People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.

數學思想的美麗之處在于它可以跨越文化和時間被分享和理解。

未來屬于那些相信自己夢想之美的人。