Note 97 — Chapter I

Before scientists reject such a theory—traditional as it is—it would be in order for them to demonstrate why, at the end of the tertiary period, the Northern Hemisphere had undergone such a reduction of temperature as to utterly change the torrid zone to a Siberian climate? Let us bear in mind that the helicocentric system came to us from upper India; and that the germs of all great astronomical truths were brought thence by Pythagoras. So long as we lack a mathematically correct demonstration, one hypothesis is as good as another.