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在计算机科学中追求知识是一段永无止境的旅程,每一次发现都为新的问题打开了大门。
The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.