Images anesthetize. An event known through photographs certainly becomes more real than it would have been if one had never seen the photographs ... But after repeated exposure to images it also becomes less real. ... 'concerned' photography has done at least as much to deaden conscience as to arouse it.
Susan SontagUnfortunately, moral beauty in art - like physical beauty in a person - is extremely perishable. It is nowhere so durable as artistic or intellectual beauty. Moral beauty has a tendency to decay very rapidly into sententiousness or untimeliness.
Susan Sontag