出门时笑一笑，不要心怀悲哀，广阔的胸怀处处都能敞开。

数学的力量在于它的抽象性，使我们能够看到不立即显现的模式和联系。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

Your reputation is your most important currency—protect it fiercely.

我们要记住，我们无法从这个世界带走任何东西，重要的是我们在这里的行为。

停止外在的攀缘，内心不再起伏波动，心像墙壁一样静止不动，这样才能进入佛道。