决策是行政的核心，而决策的核心是艺术而非科学。

History does not long entrust the care of freedom to the weak or the timid.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

半导体制造中的每次失败都比成功教会我们更多。

The mind can be considered as a physical symbol system.