生活就是不断成长和进化。

Every act of creation is first of all an act of destruction.

Every life contains its own mysteries, and the biographer must respect the unknowable.

爱一个人不需要理由。

合抱的大树从细小的萌芽生长，九层的高台从一筐筐泥土筑起

Your time is limited, so don't waste it living someone else's life.

数学研究是一场没有终点的旅程。