To sing is to bring to life; impossible if the words are mediocre, however good the music.
The fact is that Superman isn't around because he is the oldest superhero. He's still around because he is a great superhero. He's the guy that spawned the entire genre, and that didn't happen because it was a mediocre idea.
As for the reasons behind my retirement, they mostly center around simple fatigue and a fear that if I continue for many more years my work will begin to suffer, or at the very least ease into the graveyard of mediocre cartoons.
There are a lot worse things you can do with all your bucks than giving them to even a mediocre mutual fund - such as, for example, giving them to a mediocre hedge fund. If supporting the lifestyle of a mediocre fund manager is your favorite charity, who am I to stop you?
People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to.