没有人富有到可以赎回自己的过去。
Words are the only thing that lasts forever.
Success is the sum of small efforts repeated day in and day out.
Every role I take on is a new adventure, a new challenge.
The biggest pressure is the pressure I put on myself.
A mathematician's intuition is as important as rigorous proof.
心灵是自己的地方，它本身可以把地狱变成天堂，把天堂变成地狱。