Structured Programming supports the law of the excluded middle.
衡量一个领导者的真正标准是他们在充满挑战的时期如何应对。
The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.
不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。