我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。
爱是你与一切之间的桥梁。
Continuous learning, continuous improvement.
语言是思想的皮肤。
好的结局是幸福的，坏的结局是不幸的。这就是小说的意义。
The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.