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The process of doing mathematics is more important than the result.

The relation between what we see and what we know is never settled.

Out, out, brief candle! Life's but a walking shadow, a poor player That struts and frets his hour upon the stage And then is heard no more. It is a tale Told by an idiot, full of sound and fury, Signifying nothing,?

身體是靈魂的廟宇。

"Experience is simply the name we give our mistakes."

揣摩自己的身心，于百年后，將被后人安放在什么位置上？省察自己的面目，在歷史上，和哪一位古代人物相似？