Rene Descarte's Argument Analysis

Rene Descartes was a French philosopher, mathematician, and scientist. He was the father of the theory “I think, therefore I am,” he was a rationalist and strong believer that anything can be solved by thinking. He touched on one of the most controversial topics, the belief of God. This is known as the trademark argument in which I believe is not sound.
Descartes as a philosopher, questions everything around him. He even questions whether or not he truly exists as a person. He believes he does exists as a thinking thing, so he decides he needs to figure out if it is possible to find more self-evident truths, to prove his theory. Descartes tries to develop a system for certain knowledge, but within his innovative plan he finds a flaw. The clear and distinct thoughts are only undoubted, so as long as Descartes attends to them they seem reliable, but as soon as they fall out of awareness, the doubt creeps back in. (page 26) He then begins to question that it may have been an evil demon that caused him to believe the certainty of his truths (page 29), Decartes system of knowledge doesn’t seem too reliable at
You cannot group things together on how much they exist, that is unreasonable. It is simple, either things exist of they do not. He also says that infinite substance is that god exists because god planted the idea into his head, there is absolutely no way he could have derived the idea of god by himself through his own mind. Descartes believes that since we are flawed as human beings and we can perceive something more perfect than ourselves, it must exist. Actually if you think about it, since we are flawed as humans we wouldn’t perceive perfection unless it existed, he says that if we can conceive perfection than it must exist, which someone would have no idea