The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.

未来是创造一个持续学习的文化。

要理解一种文化，首先必须理解它的语言。

在数学中，真理存在于我们尚未知晓的某处，而我们唯一能希望找到它的方法就是探索。

如果你不能理解某人为什么要做某事，那么看看他们行为的后果，不管他们可能是什么，然后从他们的后果中推断出动机。

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."

Every drop of oil saved through innovation is a step toward a cleaner future.