The brain is a complex system, and we are just beginning to understand how it works.

我不知道极限在哪里，但我想去那里。

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

幸福的秘诀，不是寻求更多发现，而是在成长中享受到细微的一种能力。

Sometimes you have to lose yourself before you can find anything.

最大的幸福是知道不幸的根源。