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穷人常常被迫做出没有人应该做出的选择。
The poor are often forced to make choices that no one should have to make.
The highest form of ignorance is when you reject something you don't know anything about.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
自由的本质在于能够在不受他人任意干涉的情况下追求个人目标。
The best mathematics is that which you do not understand at first glance.