如今世界变化如此之快，那些说某事做不到的人通常会被正在做这件事的人打断。
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.
To live is the rarest thing in the world. Most people exist, that is all.
社会学的想象力使我们能够把握历史和传记以及两者在社会中的关系。