Bergman's essential theme, as expressed in his films, is man's search for knowledge in a hostile universe. The ultimate answer is that there is no answer, but the quest itself provides its own justification. Man must pursue the search alone, since he is as incapable of understanding other men as he is of understanding himself. Society can only handicap man in life's quest for knowledge. Hell is on earth, and life is the process of experiencing it. Maturity comes only from acceptance of these conditions, and from grasping the few comforts that life has to offer. These comforts are in sex, an act of temporary communication which results in procreation as a final justification for existence; in art, which distills the products of man's intellect and emotion into another intangible form of communication and self-expression; and in the imagination, not in any conventional religious form, but as a...