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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.

Freedom is absolutely necessary.

譯文：再好的醫生救不了注定要死的人，再兇的人也斗不過老天爺。

每個實驗都會破壞其開始時的某些條件。