To be born again, first you have to die.
The only way to do great work is to love what you do.
傍晚是一天中光线最美的时候,但也是光线开始消逝的时候。
You have to be willing to fail in order to succeed.
怀疑是智慧的开始。
除非我们愿意为之而死,否则我们不能确定有值得为之而活的东西。
在数学中,提出问题的艺术必须比解决问题更有价值。