【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。

艺术永远不会完成，只会被放弃。

心理学应该阐明心灵的实际运作，而不仅仅是剖析其部分。

You don't learn to walk by following rules. You learn by doing, and by falling over.

The universe is a vast and mysterious place, and we are just beginning to understand its secrets.

In business, if you're not moving forward, you're falling behind. There's no standing still.