In the Meditations, Descartes attempts to give a firm theoretical basis of all knowledge on an individual’s rational capacities. Descartes’s dream argument and evil deceiver argument challenges an individual’s ability to know. He did not believe that our senses are necessarily accurate. The idea of perception that conveys accurate information is what he considered to be the very foundation. In the Dream argument, Descartes argues that while he’s asleep, he has perceptions about things that seem so real, but they are not. He had a dream about sitting next to a fire in his room, although there is no fire, it seems he can feel the warmth of the fire and he can still feel it in his waking life. From the illusions of the fire, he really can’t tell
