Contemplating Descartes' Meditation I- Can We Trust Our Senses?

In Meditation I, Descartes is questioning reality and seeking the truth. He states in his introduction that everything he knows is wrong and he decides to attack the foundations of all his beliefs. To do this, he overthrows all his beliefs and sets forth with a blank slate. Descartes argues with himself about whether or not he can trust his senses, whether even mathematical truths are real, and the existence of God. The argument I …

…at the end of his meditation as a sort of "out" that he could blame all his doubts on, but that's how it came across to me. It seemed like he was desperate for an answer as to how everything he believes could be false, and he used the demon for it. I don't think any philosopher who was so convinced that there was a God would be willing to blame Him for false realities.