戏剧是未言之物的艺术。

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

In English every word can be verbed. Would that it were so in our programming languages.

你付出的能量就是你得到的能量。