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数学家的模式,就像画家或诗人的模式一样,必须是美丽的;思想,就像颜色或文字一样,必须以和谐的方式结合在一起。
每个故事都有一个开始,但并非每个故事都有一个结局。
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
"The most important skill for the future is learning how to learn."
Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.