Descartes: The Existence of God
Descartes has realized that he is a being that thinks, doubts, desires, and questions many, many things. However, the notion that Descartes has of a God is the clearest and most distinct when compared to his other notions. Descartes realizes that since he is a being that thinks, there must be a supreme being more perfect than him to help us realize his imperfections.
He believes that there is no possible way for him to know what his shortcomings are without a perfect more supreme being putting these ideas in his head. He also knows that he could not exist without a being higher on the chain of perfection and reality to create him.
Descartes had made substantial progress towards defeating skepticism. Using his methods of doubt he has examined all of his beliefs and set aside those that he could call into doubt. The next thing that Descartes does is develop his criterion of certainty.
He decides that all of the properties of being are clear and distinct. Descartes says, "so, I now seem to be able to lay it down as a general rule that whatever I perceive very clearly and distinctly is true." (Meditations on First Philosophy)
In order to get rid of the evil genius and prove that one could not exist, Descartes has to prove that God exists and that God is not a deceiver. If such a god exists then an Evil Genius is not possible. Descartes means are limited. He knows for certain that he himself exists and that his essence is to be a thinking thing. He knows for certain that various ideas appear before his mind.
He wonders whether ideas could have been innate in him, like the idea of himself was innate in...