关于教育的斗争不仅仅是关于知识的斗争，也是关于身份、欲望和未来本身的斗争。

Music is my life. It's my passion, my love, my everything.

PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。

The safest way to try and get what you want is to try and deserve what you want. It’s such a simple idea. It’s the golden rule so to speak. You want to deliver to the world what you would buy if you were on the other end.

我唯一能依靠的是我自己的感知，而它总是在变化。