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Rigor in proof is what separates mathematics from all other sciences.
当陷入困境时,向别人解释你遇到的问题。通常情况下,仅仅是把问题描述出来,就会呈现出一个解决方案。让 "描述问题 "成为你排除故障的一个固定过程。
"You have to believe in yourself when no one else does—that makes you a winner right there."