人与人之间都是相互的。爱别人的人，别人一定也爱他；为别人谋求利益的人，别人也一定为其谋求利益；憎恨别人的人，别人一定也憎恨他；残害别人的人，别人也会残害他。

Science is a way of thinking much more than it is a body of knowledge.

Life is not about what you can’t do, it’s about what you can do.

The Internet is the most important single development in the history of human communication since the invention of the printing press.