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.
世界确实充满了危险,其中有许多黑暗的地方;但仍然有许多美好的事物,尽管在所有土地上,爱现在与悲伤交织在一起,但它可能因此而变得更伟大。
If you don't fail at least 90 percent of the time, you're not aiming high enough.