天地虽然广阔，但变化规律是相同的；万物虽然繁多，但治理原则是一致的。

宁要知识不要财富，因为一个是短暂的，另一个是永恒的。

在数学中，发现的旅程往往比目的地本身更有价值。

We don't read and write poetry because it's cute,We read and write poetry because we are members of the human race，And the human race is filled with passion，Medicine,law,business,engineering,these are noble pursuits and necessary to sustain life，But poetry...beauty,romance,love...these are what we stay alive for，To quote from Whitman,“O me，O life， of the questions of these recurring，of the endless trains of the faithless，of cities filled with the foolish，what good amid these,O me,O life?”Answer.That you are here,that life exists and identity,that the powerful play goes on and you may contribute a verse， That the powerful play goes on and you may contribute a verse.

艺术是生活的正当任务。