Praeparatio Evangelica (The Preparation of the Gospel)

'DIOGENES, Anaxagoras: after the world was established, and had brought forth the living beings out of the earth, the world was somehow spontaneously inclined towards its southern side, perhaps from design, in order that some parts of the world might be uninhabitable and some habitable, in consequence of cold, and torrid heat, and a temperate climate.

'Empedocles: when the air yielded to the impulse of the Sun, the polar Bears became inclined, and the northern regions were elevated, and the southern depressed, and the whole world accordingly.'