It is the tears of the earth that keep her smiles in bloom。

Age isn't how old you are but how old you feel.

The history of the world is the history of the few.

The best thing to hold onto in life is each other.

城市是一个有机体，建筑必须回应它的变化。

自然系统的当前状态显然是前一时刻的结果，如果我们设想一个智能体在某一瞬间理解了这个宇宙中所有实体的关系，它就能陈述这些实体在过去或未来的任何时间的各自位置、运动和一般效应。

Leadership is about making tough decisions with clarity and conviction.

It's easier to ask forgiveness than it is to get permission.

做数学就是与宇宙对话，寻找我们甚至可能还不知道如何提出的问题的答案。