表示论提供了表达许多数论现象的语言。

选自汉·桓宽《盐铁论·申韩》。从事治学的人，需要广泛的阅读，并且需要从中吸取正确、有用的内容。

最成功的企业是那些有所作为的企业。

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

There are no shortcuts on the road to success, only continuous effort.