The central idea of the Jung psychology is representation of soul life as a certain drama. Pushkin’s Small Tragedies are considered as the embodiment of soul life of their author. A supposition is made on archetypical nature of the sonatian form of the tragedy “Mozart and Salliery”) being the embodiment of the dialectical principle of unity and struggle of opposites and golden section law. A conception of psycho-synthesis belonging to R. Assagioli is used.