Now, I realise that they practise more than I do. It's even tougher for them, because there is no easy way to judge how much better they have become. And they have to do all that they do with people constantly judging them.
Engineers, scientists, mathematicians - we have it real easy. Our talent is an easy one to develop, it's an easy to make money from, and it's easy to get good. Artists & Musicians who manage to be successful have achieved a lot more than engineers who manage to become successful.