Part 1 of Essay
Benedict De Spinoza vs. Rene Descartes In Spinoza's view God is a substance that includes eternal attributes and their necessity. One of the proofs for existence of such a substance is that something does not exist if and only if something else prevents its existence. For example, people walk on earth instead of flying ....

Part 2 of Essay
.... they both deal with circle. However, this is not the case with God. God is a substance that can be understood only independently, and can not have anything in common with anything else. Since there can not be anything in common with God, there is no external cause that can act on God; That is there is no external cause that can prevent God's infinite existence. Furthermore, since God is a supremely perfect being his own nature can not contradict his existence. This part of proof is easier understood when o ....