A true priest is aware of the presence of the altar during every moment that he is conducting a service. It is exactly the same way that a true artist should react to the stage all the time he is in the theater. An actor who is incapable of this feeling will never be a true artist.
Constantin StanislavskiIt is only when an actor feels that his inner and outer life on the stage is flowing naturally and normally, in the circumstances that surround him, that the deeper sources of his subconscious gently open, and from them come feelings we cannot always analyse.
Constantin Stanislavski