Anything that's different from your own realm of experience as a human being, whether it's driving a car or a boat, or using guns, anything that separates you from yourself and leads you more towards this character's existence is a big help.
“Idleness does drive me crazy, but I'd rather read or write than do anything just to work. A kind of respect has been instilled in me for acting: I love it too much to ever have a bad relationship with it.”
“If in my fight I can encourage even some people to understand and to abandon policies they now so blindly follow, I shall not regret any punishment I may incur.”