后见之明对历史学家乃至回忆录作者非常有用,但遗憾的是,实践中的政治家却无法拥有。
每一本书都是一次旅程,而每一次旅程都是一本书。
Sun don't shine forever.
The only thing that can make you a hero is your heart.
In computer science, we often have to deal with systems that are too complex to understand all at once.
我们都是森林的生物,而森林也是我们的生物。
The world is changed by your example, not by your opinion.