4523. That involuntary was perceived as being of a subtle nature, a certain something aerial and insensible, occupying the entire posterior region. Involuntary things are nothing else than hereditary; so far as a man leads himself according to hereditary [promptings], so far he sinks himself down towards hell; as far as he recedes from them, so far he is elevated. The power of this principle, moreover is augmented by the actualizing of a man's propria, and thus continually increases. The hereditary from infancy appears subtle like a something aerial, but it is continuous [from its origin], so as to be nothing but evil, but when actuality accedes, it becomes more gross and ponderous.