Memorize lines, then forget them. Audience doesn't care about your problems, only the character. Do acting all on impulse . Don't look for psychological conclusions as an actor . Wonder of Acting Actor presents human being to other human beings, audience gets glimpses of themselves.
Actor stimulate the audience.
Everything you do must have a purpose. Actor showmanship . Actor must light up screen, actor must be on. Actor can't stop feeling. Dies when not emotionally involved.