Life's short, smile while you still have teeth
"Oscar Wilde said that if you know what you want to be, then you inevitably become it — that is your punishment, but if you never know, then you can be anything. There is a truth to that. We are not nouns, we are verbs. I am not a thing — an actor, a writer — I am a person who does things — I write, I act — and I never know what I am going to do next. I think you can be imprisoned if you think of yourself as a noun."
Stephen Fry (via