不了解一个国家的文学，就无法理解这个国家的历史。

数学不仅仅是抽象理论的集合，而是描述宇宙的语言。

Sustainability is not enough—we need regeneration.

Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.

我从不担心行动。而只担心没有任何行动。