This is the highest bound of the World, within which the whole World is included, and beyond which there is nothing.

And it is in no place, but was formed alone in the First Mind, which the Greeks term Protonoe.

This is that magnificence of which the Psalmist spoke when he sang to God: "Thy glory is raised above the Heavens." So, then, gathering together this which is discussed, it seems that there may be ten Heavens, of which the Heaven of Venus may be the third; whereof mention is made in that part which I intend to demonstrate.

And it is to be known that each Heaven below the Crystalline has two firm poles as to itself; and the ninth has them firm and fixed, and not mutable in any respect.

And each one, the ninth even as the others, has a circle, which one may term the equator of its own Heaven; which equally, in each part of its revolution, is remote from one pole and from the other, as he who rolls an apple or any other round thing can sensibly perceive.