解释：礼用来推行道义，道义用来产生利益，利益用来使老百姓太平，这是治理国家的关键。

There will always be things we wish to say in our programs that in all known languages can only be said poorly.

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.

Never underestimate the power of preparation—whether in negotiations, operations, or crisis management.

The greatest education in the world is watching the masters at work.