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One should not believe or disbelieve, but rather remain in suspense.
人不应该相信或不相信,而应该保持怀疑。
有人自认为在做有用的事,却收效甚微;有人看似在做“无用”之功却流芳后世,引为大用。
The key to innovation is fostering a culture of continuous improvement.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.