I approach every part I'm asked to do and decide to do from exactly the same angle: who is this person, what does he want, how does he attempt to get it, and what happens to him when he doesn't get it, or if he does?
As you work, the mood grows on you. There are certain images which suddenly get hold of me and I really want to do them. But it's true to say that the excitement and possibilities are in the working and obviously can only come in the working.
Sometimes, you have to step outside of the person you've been and remember the person you were meant to be. The person you want to be. The person you are.
The ordinary man is an anarchist. He wants to do as he likes. He may want his neighbour to be governed, but he himself doesn't want to be governed. He is mortally afraid of government officials and policemen.