Lecture VII

Admittedly, the destruction begins with the most highly rarefied element: warmth. And in the Fifth post-Atlantean epoch man has no opportunity of ruining anything other than the warmth-atmosphere of the Earth through the ever-increasing development of purely intellectualistic thoughts. But then comes the Sixth post-Atlantean epoch. If by that time man has not been converted from intellectualism to Imagination, destruction would begin, not only of the warmth-atmosphere but also of the air-atmosphere, and if their thoughts were to remain purely intellectualistic, men would poison the air, ruining, in the first place, all vegetation.