7. Who or what actually was this light, this great thought, this most holly fundamental idea of all future substantial, utterly free existence? - It could not possibly be anything else but God Himself, since God, through God and from God nothing but God Himself could manifest in His eternally, most perfect being - and thus this text may also be read as follows,

8. In God was the light; the light flowed through and around God, and God Himself was the light.