475. But they will not travel these roads alone. There will always be many other beings who have the same heart's desire and therefore interact with the same energies. Such beings naturally have the same experiences, the same ideals and the same form of physical organism. As a consequence of this uniform attitude to life and surroundings, they are unconsciously bound together and form a large-scale atmosphere common to all. This atmosphere constitutes the spiral's unintellectual or most primitive zone and for the beings in question it is the whole of existence. They are unable to live outside it. Everything which is outside does not signify anything for them or at best is of secondary importance. Thus, to these beings, this atmosphere constitutes their entire mental and physical zone of existence. And we are here at the centre of the principle which is at the root of the living beings' appearance in the form of organisms, in the form of groups, races, species, tribes and so forth, for all these phenomena are in reality mental zones of life, and the element in which the single individual can thrive. For the single individual in question to go outside will mean certain death, for he will be without the protection of the "herd" and outside the defensive power on which, for the most part, his conditions of life are based.