一个词的意义不是心智实体，而是社会实践。
The meaning of a word is not a mental entity， but a social practice.
可持续发展不仅仅是一个流行词，而是我们对后代的责任。
It’s not what we do once in a while that shapes our lives, but what we do consistently.
I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.
The value of information is not in knowing more, but in knowing what others don't know.