【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。
The only thing you can do with good advice is pass it on. It is never of any use to oneself.
A room is not a room without natural light.
唤醒天才的是困难。
The best way to find out what you want in life is to try everything.