Paul Schofield said something like, 'If I'm not acting in a play, I don't really exist.' Those weren't the exact words, but he meant it's only when I'm acting in a play that I've got something to say about the world. And then why should I talk, when people can come to see it?
For the theatre one needs long arms; it is better to have them too long than too short. An artiste with short arms can never, never make a fine gesture.
I find that once you start helping others, it makes you feel better about yourself. It helps you figure out what you want to do with your own life.