Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Sometimes, what we need is not a bowl of chicken soup, but a slap in the face.

音乐是我的生命，谢谢你们让我的生命有了意义。

在计算复杂性中，我们不仅仅是在处理我们能计算的极限，也是在处理我们能证明的极限。