The most important thing is to avoid losing money.

My life has no direction, no aim, no meaning. And yet I'm happy.

马跑不起来都是因为太瘦；人不能扬眉吐气就是因为贫穷。

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.

The complexity of a learning problem is often determined by the size and structure of the hypothesis space.