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A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
The only limits we have are the ones we set for ourselves.
做人最重要的是开心,不开心就没意思。
关于自由市场最重要的一个核心事实是,除非双方都受益,否则不会发生交换。
实现明天理想的唯一限制是我们今天的疑虑。
I try to live my life with integrity and authenticity.