成就一番伟业的唯一途径就是热爱自己的事业。
The only way to do great work is to love what you do.
The essence of mathematics lies in its freedom.
Home is the place where, when you have to go there, they have to take you in.
Never stop learning—the moment you do, you fall behind.
电脑是工具，而不是思考的替代品。