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If at first the idea is not absurd, then there will be no hope for it.
"The world is full of obvious things which nobody by any chance ever observes."
数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时,你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。