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管理复杂性的关键在于关注组件之间的接口,而不是它们的实现。
The key to managing complexity is to focus on the interfaces between components, not their implementations.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.