I've learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

实现不可能的唯一方法是相信它是可能的。

We are all travelers in the wilderness of this world, and the best we can find in our travels is an honest friend.

定理是数学的里程碑。

法规不应该扼杀为国家提供动力的行业。