In times of crisis, the true character of a company—and its leaders—is revealed.

The function of freedom is to free someone else.

挡在一个人和他想要的生活之间的唯一东西是尝试的意愿和相信可能的信念。

数学的语言是普遍的，正是通过这种语言，我们才能传达宇宙最深刻的真理。