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There are two kinds of mind, one mathematical, the other what one might call the intuitive. The first takes a slow, firm, inflexible view, but the latter has flexibility of thought.

有两种思维，一种是数学思维，另一种是直觉思维。前者持一种缓慢、坚定、死板的观点，而后者具有思维的灵活性。

— Blaise Pascal 巴斯卡