On the off chance that you read the above quote from the Meditation II you see that Descartes has discredited everything that he is accustomed to having confidence in. At the point when there's nothing left despite everything he is left with himself and that's it. Despite regardless of whether he is being betrayed by some devil or his convictions aren't right, he can see that regardless of the possibility that he can question something he should exist to try and uncertainty it in any case. The way that he can believe is the thing that guarantees himself of his own reality, and a deluding god can't invalidate that. Starting here on, Descartes can proceed in his examination of reality without stress that he is by all methods
