In mathematics, the art of proposing a question must be held of higher value than solving it.
数学中的每个问题都有解决方案;你只需要找到正确的路径。
【释义】凯根打破童年决定论:快乐童年未必护航成年,而经历过黑暗的孩子反而可能锻造韧性。