With his persuasive power, Mamet slaughters all the sacred cows of acting and actor training. He particularly targets the petrified teachings that, following Stanislavski, solidified into Method Acting first in the USA and then around the world. Whether it's affective, sensory, or emotional memory, or even the fourth wall, Mamet exposes such techniques as technical crutches that offer nothing to the actor but grant power to the acting teacher. In contrast, Mamet presents his own rational insights, which can be summarized for training, role development, and performance in the advice: "Focus on your five senses!" Everything else is in the text. Actors must listen, see, speak, and react in order to make the text understandable for a paying audience.