"My wife told me one of the sweetest things one could hear: 'I am not jealous. But I am truly sad for all the actresses who embrace you and kiss you while acting, for with them, you are only pretending.'"
Source : Frank H. Knight, Ross B. Emmett (1999). “Selected Essays by Frank H. Knight, Volume 2: Laissez Faire: Pro and Con”, p.297, University of Chicago Press