[...] In a well-known passage from his Existentialism and Humanism, Sartre deployed the dilemma of a young man in France in 1942, torn between the duty to help his lone, ill mother and the duty to enter the Resistance and fight the Germans; Sartre’s point is, of course, that there is no a priori answer to this dilemma. The young man needs to make a decision grounded only in his own abyssal freedom and assume full responsibility for it. [...]