学习是系统中产生的任何变化，这些变化或多或少会永久性地改变其适应环境的能力。

I don't believe in luck. I believe in hard work.

The essence of computational complexity is to understand the limits of what can be computed efficiently.

Art is the only place where I feel free.

对一切来说只有热爱才是最好的老师，，它远远胜过责任感。

艺术家必须是未知的仆人。