I think one of the reasons people quit is because they're afraid they won't be able to get better and better; that they have to come to a zenith of some kind.
“I'm not that tough; I'm not that smart. I need life telling me who I am, showing me my mind constantly. I wouldn't see it in a cave.”
“Mr. Brooks and I have been friends forever. He is in seventh heaven with his new success on Broadway.”