科学是一项集体事业，每一代人都为之添砖加瓦。

我们必须自由，不是因为我们宣称自由，而是因为我们践行自由。

学习数学的唯一方法就是做数学。

The principal effect of the progress of society is to increase the quantity of wealth, and the power of distributing it.

Every time you lose, it hurts. But you have to get back up and keep going.

I always try to push the boundaries of what is possible in film.

传记是最亲密的历史形式。

学习人工智能的最佳方法是通过做项目和解决现实世界的问题。