生活的价值在于你为他人创造了什么，而不是你拥有了什么。

"To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment."

一个行为的后果会影响它再次发生的概率。

"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

我去旅行，是因为我决定了要去，并不是因为对风景的兴趣。