Such men of brains are selected mainly, as I have already said, through the hard struggle for existence itself. In this struggle there are many who break down and collapse and thereby show that they are not called by Destiny to fill the highest positions; and only very few are left who can be classed among the elect. In the realm of thought and of artistic creation, and even in the economic field, this same process of selection takes place, although--especially in the economic field--its operation is heavily handicapped. This same principle of selection rules in the administration of the State and in that department of power which personifies the organized military defence of the nation. The idea of personality rules everywhere, the authority of the individual over his subordinates and the responsibility of the individual towards the