数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。

Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything - all external expectations, all pride, all fear of embarrassment or failure - these things just fall away in the face of death, leaving only what is truly important.

时间阻止了一切同时发生。

数学的目标不是解决问题，而是理解问题。

Theologians may quarrel, but the mystics of the world speak the same language.

出自先秦《荀子·强国》。一个人知道爱惜生命、安于快乐而抛弃礼义，那就好比想长寿而自刎其颈一样。此以比喻来说明坚守礼仪对于“贵生乐安”的重要性，强调治国安邦不可缺失礼义的意义。