You have to get beyond your own precious inner experiences. The actor cannot afford to look only to his own life for all his material nor pull strictly from his own experience to find his acting choices and feelings. The ideas of the great playwrights are almost always larger than the experiences of even the best actors.

Stella Adler - The Art of Acting: preface by Marlon Brando compiled & edited by Howard Kissel (ed. Hal Leonard Corporation, 2000) - ISBN: 9781476845623