Descartes epistemology is known as foundationalism. In his Meditations, Descartes tries to discover certain, indubitable foundations for knowledge. He is searching for absolute certainty, and does this by subjecting everything to doubt. Through this he reaches the one thing he believes to be certain, his existence. In Meditation One, Descartes describes his method of doubt. He subjects all of his beliefs to the strongest of doubts. He invokes the notion of an all-powerful, evil demon …showed first 75 words of 905 total…

…showed last 75 words of 905 total…easily and more evidently than his own mind. He has discovered that even bodies are not accurately perceived by the senses or the faculty of imagination, and are only accurately being perceived by the intellect. He also realizes that they are not distinguished through being touched, smelled, or tasted, but by being understood alone. It is the ability of reason that gives the knowledge and lets the mind know the truths and essences of objects.