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.
"Courage is grace under pressure."
艺术的挑战在于使不可见的东西变得可见。
唯一真正的错误是我们从中一无所获的错误。
To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.