If you don't make mistakes, you're not trying hard enough.
如果你不犯错，说明你不够努力。
I don't sing because I'm happy; I'm happy because I sing.
The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
我对胜利上瘾。那种感觉简直不可思议。
The past is never dead. It's not even past.
It's a terrible thing to be alone—yes it is—but it's also terrible to be with people and still feel alone.
The world is not a pleasant place to be, but it is the only one we have.