The best way to predict the future is to create it.
Language is not just a tool for communication; it is a way of seeing the world.
Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
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.