If a person is constantly evolving, constantly reading new material and being exposed to new material and growing in life, then you're becoming, hopefully, a more intelligent and well-rounded individual. If you're not then something's wrong and you're sliding back in the other direction.
Clint EastwoodDon Siegel last advice to me was 'Don't short yourself.' He said the tendency is when an actor's directing is to kind of you want to work on everybody else but you're going to short yourself. He said, take the time to do a good job with yourself so that you're satisfied with it.
Clint Eastwood