善意并不是自己内心发出的，不能保留；行为自身不能够理解和辨别的，不能去做。

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

There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.

最危险的事情就是满足于过去的成功。

Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.