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“每一本书都是一面镜子,每个读者看到的都是不同的倒影。”
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
"I don't believe in happy endings, but I do believe in happy travels, because ultimately, you die at a very young age, or you live long enough to watch your friends die."
Stop being afraid of what could go wrong and start being excited about what could go right.