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.
A good novel tells us the truth about its hero, but a bad novel tells us the truth about its author.
一本好小说告诉我们关于其主人公的真相，而一本坏小说告诉我们关于其作者的真相。