Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.

可能的原因，我不知道为什么，但我观察到了它。

"The world is a book, and those who do not travel read only one page."

最强大的生态系统是那些具有多样性的生态系统。

我不是为评论家做音乐，我是为人们做音乐。

Dance is the hidden language of the soul.

America has no permanent friends or enemies, only interests.