变化的速度要求我们忘记的和学习的一样多。

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

生活的艺术不在于消除烦恼，而在于与烦恼共成长。

The only thing that stands between you and your dream is the will to try and the belief that it is actually possible.

I'm not a planet, I'm a galaxy.

最好的诗歌是那些为读者留有进入空间的作品。