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量子信息科学最令人兴奋的方面是它迫使我们重新思考关于现实的一些最基本的假设。
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.
Diplomacy is the continuation of war by other means.
The best books are those that tell you what you know already.