The true value of a forest cannot be measured in board feet alone.
——2008年2月19日在斯坦福大学演讲
The most important thing is to actually care about what you’re doing.
数学的语言是普遍的,超越了文化和语言的障碍。
"You can't go back and change the beginning, but you can start where you are and change the ending."
我思故我在。