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过去从未死去,它甚至还未过去。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
真正的科学进步不是通过简单的事实积累实现的,而是通过理论和模型的不断精炼。