"The truth is, we all have our own prisons, and the key is always within reach."

物理学的目的不是描述自然，而是理解自然。

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.

所有儿童都应被善意地欺骗，认为成长的过程没有伤痛。

天下人最能享受的是个“闲”字，但是闲适要从勤俭中得到。而天下最便宜的是个“勤”字，然而勤奋是从闲暇中做出。

你跟那些惹怒你的事物一样大。

摆脱诱惑的唯一方法就是屈服于它。