"… Even our purest and holiest beliefs can be traced to the crudest origins… . It is painful — there is no denying it — to interpret radiant things from the shadow-side, and thus in a measure reduce them to their origins in dreary filth. But it seems to me to be an imperfection in things of beauty, and a weakness in man, if an explanation from the shadow-side has a destructive effect. The horror which we feel for Freudian interpretations is entirely due to our own barbaric or childish naivete, which believes that there can be heights without corresponding depths, and which blinds us to the really “final” truth that, when carried to extremes, opposites meet. Our mistake would lie in supposing that what is radiant no longer exists because it has been explained from the shadow-side. This is a regrettable error into which Freud himself has fallen. Yet the shadow belongs to the light as the evil belongs to the good, and vice versa… ."