Three things you need: The ability to not give up something till it works， the ability to give up something that does not work， and the trust in other people to help you distinguish between the two.

The greatest risk is not taking one.

你唯一应该努力超越的人是昨天的自己。

瀑布歌唱道：“当我找到了自己的自由时，我找到了我的歌。”