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我们认为正确的事情有时会被证明是错误的,而我们认为是错误的事情有时会被证明是正确的。
The truth is often hidden in the darkest corners of our minds.
在计算学习领域,关键不仅在于学习,而在于高效地学习。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Understanding a question is half an answer.