When I was 18 and not sure whether I wanted to be an actor, I realised that a playwright has no voice without an actor. That's my reason for acting: to get that character as right as possible for my writer. And I have never changed my philosophy.
How rich are we that we can look on these worlds with the perspective of modern science. . . that we do not have to wonder as did former men whether stars are jewels hanging from celestial drapery or peepholes in the astral skin of creation!