Someday, maybe, there will exist a well-informed, well considered and yet fervent public conviction that the most deadly of all possible sins is the mutilation of a child's spirit; for such mutilation undercuts the life principle of trust, without which every human act, may it feel ever so good and seem ever so right is prone to perversion by destructive forms of conscientiousness.

Young Man Luther : A Study in Psychoanalysis and History (1958), p. 70