我学会了如何生活……如何在这个世界上生活，而不仅仅是站在一旁观看。
I have learnt how to live... how to be in the world and of the world, and not just to stand aside and watch.
Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.
挑战是伪装的机遇——只要你愿意仔细观察。
在数学中，从问题到答案的旅程往往比答案本身更具启发性。