处于困境中的人往往只关注自己的问题，而解决问题的途径通常在于你如何解决别人的问题。

In business, integrity is non-negotiable. It’s the foundation of lasting success.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

The art of the novel is the art of being everywhere at once.