In Chapter VII Spinoza treats of the various philosophical definitions of God and finds them wanting. For those who assert that God simply cannot be known he refers them to Descartes.
Chapters VIII and IX are devoted to Natura Naturans and Natura Naturata that he discussed in the Ethics.
Spinoza ends Part I with Chapter X which pertains to Good and Evil. As in the Ethics he maintains that they are relative to particular conditions.. He writes these words, All things which are in Nature, are either things or actions. Now good and evil are neither things nor actions. Therefore good and evil do not exist in Nature.