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A good mathematician is not one who knows all the answers, but one who asks the right questions.
We live in a world where people are judged by their worst actions, not their best.
我们无法改变过去,但我们可以改变对过去的看法。
理智是不朽的,其他一切都是有限的。
The writer's secret is not inspiration—for it is never clear where it comes from—but stubbornness, endurance.