All art is autobiographical - if it's not, it's not going to quicken on-stage, and it's not going to come alive.
Constantin StanislavskiYou must be so thoroughly immersed in the given circumstances of the play, then you decide what it is at any given moment what that the actor wants.
Constantin StanislavskiThe main difference between the art of the actor and all other arts is that every other [non-performing] artist may create whenever he is in the mood of inspiration. But the artist of the stage must be the master of his own inspiration, and must know how to call it forth at the hour announced on the posters of the theatre. This is the chief secret of our art.
Constantin Stanislavski