1) Spinoza argued that previous philosophers incorrectly assumed God to be non-physical or immaterial based on the idea that anything physical is finite. Spinoza claimed God's attribute of "extension" proved God was physical.
2) However, Spinoza did not sufficiently prove that extension necessitates a physical God. A better view may be that God encompasses all ideas of perfection, including different states of being.
3) The author proposes a new conception of God as being like the number zero - infinite, immeasurable, and the source of all things while being neither physical nor abstract. On this view, God contains all contradictions and attributes.