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所谓道德抑或不道德的书是不存在的。书就只有分写得好、写得差,仅此而已。
"In the end, we will remember not the words of our enemies, but the silence of our friends."
Topological quantum computing offers a promising path to fault-tolerant quantum computation.
Wise men talk because they have something to say; fools, because they have to say something.