I can't tell you about acting. You can develop all the skills, voice, gesture, movement, you can develop by exercise and practice but finally fundamentally it's mining from yourself, from your own personality, from what you know. If you can't know it you can have a good guess by people you know or books you've read.
Peter O'TooleMost difficult thing in the world, to write a play. Do you know the story of Shaw at the Fabian society? H.G. Welles said "I'm terribly sorry I've missed the last five meetings, I've been terribly busy, I'm engaged in writing a scientific pamphlet on the effects of radioactivity in 1984 and I've produced a novel, and various pieces of science fiction to do, and I've had a bit of personal trouble, and I had my copy to bring out for the newspaper." Shaw leapt up and said, "I've not missed one meeting, and I have written a play!" hardest thing in the world. If it were easy they'd all be at it.
Peter O'TooleAnything an artist does is to show ourselves as we really are, which is a complex thing. I don't think that one work of Philosophy or Art, or Letters, or Acting, or Middle Playing, or Tightrope Walking, or Flea Circuses has made mankind better, if by better you mean kinder, wiser, more tolerant of each other. One thing self knowledge. Knoticayton: know thyself.
Peter O'Toole