"Whether humanity will be capable of so high an enhancement of consciousness, or whether a higher race of animals will arise on earth, which, continuing the work of humanity, will attain the goal, or whether our earth altogether is only an abortive attempt to reach such goal, and it will only be reached, when our little planet has long been reckoned to the frozen celestial bodies, on a planet invisible to us of another fixed star under more favourable conditions, is hard to say. Thus much is certain, wherever the process may come to an end, the goal of the process and the contending elements will always be the same in this world. If really humanity is able and called to bring the world-process to a final issue, it will at all events have to do this at the height of its development under the most favourable circumstances of the earth’s habitableness, and therefore we do not need for this case to trouble about the scientific perspective of a future congelation and refrigeration of the earth, since then long before the occurrence of such a terrestrial refrigeration the world-process altogether would have been arrested, and the existence of this kosmos with all its world-lenses and nebulæ have been abolished."