自由是对自我设定法则的服从。

I never really thought about being a director. I just wanted to be an actor.

机器学习的最终目标是让机器能够从经验中学习，并随着时间的推移提高其性能。

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

The true artist will let his wife starve, his children go barefoot, his mother drudge for his living at seventy, sooner than work at anything but his art.

自由与秩序并非不相容；真理即力量；自由讨论是真理的生命。