在数学中，提出问题的艺术必须比解决问题更有价值。

In times of crisis, true leadership is measured by actions, not words.

"I decided as long as I'm going to hell, I might as well do it thoroughly."

“怜悯或同情，是所有人同样自然的情感。”

他在主张杠杆原理时所说。

应对死亡的唯一方法是将之前的一切转化为艺术。