Act as if what you do makes a difference. It does.

The best stories are those that can be read again and again with ever-increasing pleasure.

一本伟大的书不是被阅读的书，而是阅读你的书，揭示你灵魂的深处。

计算机科学中的挑战不仅仅是解决问题，而是找到正确的问题来解决。