科学的进步在于每一步发现一种新的秩序，这种秩序将长期以来看似不同的事物统一起来。

知足者最富有，因为知足是自然的财富。

旅程本身就是一个人；没有两个是相同的。所有的计划、保障、监管和强制都是徒劳的。经过多年的奋斗，我们发现我们没有去旅行；旅行带走了我们。

The world is not a wish-granting factory.

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

I think it's rarely about what you actually learn in class—it's mostly about what questions you ask yourself.