Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
Life's too short to be anything but happy.
教育事业是值得钦佩的,但请不时想起:并没有什么值得知道的事是能够被传授的。
我不是一个讲故事的人,而是一个制造故事的人。
You can't go back and change the beginning, but you can start where you are and change the ending.
We must learn from nature how to use resources efficiently.