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当教授坚持说计算机科学是X但不是Y时,请对他的研究生抱有同情心。
There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.
The advantages found in history seem to be of three kinds, as they result either from the mere situation of the climate and country or from the form of government and of the character of the people, or from those finer principles and morals, which may be called the recommendations of philosophy.