might find an actual application—their ego ideal might be temporarily resolved into their ego after having previously ruled it with especial strictness.
Let us keep to what is clear: On the basis of our analysis of the ego it cannot be doubted that in cases of mania the ego and the ego ideal have fused together, so that the person, in a mood of triumph and self-satisfaction, disturbed by no self-criticism, can enjoy the abolition of his inhibitions, his feelings of consideration for others, and his self-reproaches. It is not so obvious, but nevertheless very probable, that the misery of the melancholiac is the expression of a sharp conflict between the two faculties of his ego, a conflict in which the ideal, in an excess of sensitiveness, relentlessly exhibits its condemnation of the ego in delusions of inferiority and in self-depreciation. The only question is whether we are to look for the causes of these altered relations between the ego and the ego ideal in the periodic rebellions, which we have postulated above, against the new institution, or whether we are to make other circumstances responsible for them.
A change into mania is not an indispensable feature of the symptomatology of melancholic depression. There are simple melancholias, some in single and some in recurring attacks, which never show this development. On the other hand there are melancholias in which the exciting cause clearly plays an aetiological
