每张皮革都承载着两个历史：动物的生命和制革者的遗产。我们对两者都负有责任。
Every hide carries two histories: the animal's life and the tanner's legacy. We're responsible for both.
The only person you should try to be better than is the person you were yesterday.
In every problem, there is a hidden pattern waiting to be discovered, and it is our duty as mathematicians to uncover it.
Education is the most powerful weapon which you can use to change the world.
我不喜欢被限制，我喜欢探索。
Technology itself has no value, its value lies in what problems it solves.
让我最不爽的一件事：一天路过银行时，看到一则广告，力劝大家将自家房子作二次抵押，以此贷款去旅游。这几近邪恶。