【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。
If entrepreneurship is not going well, end it early and start over.
我不考虑年龄。我考虑的是精神。
A novelist must be a psychologist, but a psychologist of a special kind—one who understands the souls of men and women as if he had made them.