There are many considerable theories in philosophical history — nay, are not all worthy of our attention, but considerable books there are few — to me there is but one truly so, the Critique of Pure Reason.

God is the noumenon of which the universe is the phainoumenon. The universe is the noumenon of which we, i.e. the individuals are the phainoumena?!

The Universe is the phenomenon of God, we (individuals) are the phenomena of the Universe.

Noumenon-Being;

Phainoumenon-Extension;

Phainoumena-Relation.