有时候，活着本身就是一种反抗。

感恩会解锁其他所有的美德，而且感恩是你可以学得越来越好的事情。

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

I've had to learn to fight all my life - got to learn to keep smiling. If you smile, things will work out.

真正的冒险不是在地理上的探索，而是在心灵深处的旅程。

古时候的学者得到一句善言，就会放在自己身上去实践；而现在的学者得到一句善言就必定想取悦别人。

You have to believe in yourself when no one else does.