The meaning of a word is not a mental entity, but a social practice.
一个词的意义不是心智实体,而是社会实践。
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
Economic history teaches us that change is possible, but it is rarely easy.
I really don't remember much about Cleopatra. There were a lot of other things going on.