"Success is not final, failure is not fatal: It is the courage to continue that counts."

I would say that in the long run probably Communist China is likely to be in more of an expansionist phase than Soviet Russia...In their tactics, the Chinese Communists are probably the greater menace;

写文章的方法，最重要的是要有自己的心得体会。

心是一个孤独的猎人。

The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.

It was like when you make a move in chess and just as you take your finger off the piece, you see the mistake you’ve made, and there’s this panic because you don’t know yet the scale of disaster you’ve left yourself open to.

真正的问题不是气候是否在变化，而是我们能以多快的速度适应以及能适应多少。