如果你是艺术家，你会试图理解这样或那样的事物。

真正的森林管理意味着为后来者留下一些树木——以及一些利润。

To do mathematics is to explore a universe of ideas, where the only limit is your imagination.

The only way to get through pain is to go through it.

The only person who is educated is the one who has learned how to learn and change.