Love is giving without expecting anything in return.

我们不过是在一个并非为我们而建的世界里努力生存。

遗传研究应该为人类服务，而不仅仅是商业利益。

作家的任务是照亮人类灵魂的阴影。

Every challenge is an opportunity to learn something new about yourself.

No man really knows about other human beings. The best he can do is to suppose that they are like himself.

优秀的数学家不是知道所有答案的人，而是能提出正确问题的人。