我认为人只有经过考验才能真正认识自己。

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.

The best way to predict the future is to invent it.

The future of coal lies in cleaner technologies and smarter resource management.

历史总是由胜利者书写。当两种文化冲突时，失败者会被抹去，而胜利者则书写历史书籍——这些书籍美化他们的事业，贬低被征服的敌人。

Writing is a socially acceptable form of schizophrenia.

A theory should not attempt to explain all the facts, because some of the facts are wrong.

译文：从书本上得到的知识，体会很浅薄，要透彻地了解某件事，一定要亲身实践不可。赏析：做任何事，我们不仅要学习理论知识，还要亲身实践。事情的难与易，对与错，只有自己去做了后才有发言权。