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一个命题的证明是一种性质使得我们相信该命题的过程。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
追求科学不仅仅是关于发现;它是关于理解我们周围的世界并使其变得更美好。
Creativity is not a talent, it's a way of operating.
A mathematician is a device for turning coffee into theorems.