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Freedom is not the power to do what we want, but the right to do what we ought.
最好的表演来自内心,而不仅仅是声音。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Cloud computing is not only a technological change but also a transformation of business models.
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.