最大的风险就是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。

Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.

A free press can be good or bad, but, most certainly, without freedom, the press will never be anything but bad.

"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

I don't let anyone else write my story.

Don’t you wonder sometimes， what might have happened if you tried？