幸福的秘诀是自由，而自由的秘诀是勇气。
The secret of happiness is freedom, and the secret of freedom is courage.
如果你想解决大问题，首先要提出正确的问题。
我认为数学家的作用是发现这些模式并解释它们。
Writing is a way of life, a way of understanding the world and of understanding ourselves.
We must balance the need for affordable energy today with the imperative of building a sustainable energy future.
At the core of all anger is a need that is not being fulfilled.
真相是，我不知道自己为何写作。我只知道我必须写。
The best time to start building your identity capital is in your 20s.