DESCARTE: SOURCE OF KNOWLEDGE Rene Descartes, 17th century French philosopher (Often called the father of modern philosophy) believed that the origin of knowledge comes from within the mind, a single indisputable fact to build on that can be gained through individual reflection. His Discourse on Method (1637) and Meditations (1641) contain his important philosophical theories. Intending to extend mathematical method to all areas of human knowledge, Descartes discarded the authoritarian systems of the scholastic philosophers and began with universal doubt. Only one thing cannot be doubted: doubt itself. Therefore, the doubter must exist. This is the kernel of his famous assertion Cogito, ergo sum [I think, therefore I am]. From this certainty Descartes expanded knowledge, step by step, to admit the existence of God (as the first cause) and the reality of the physical world, which he held to be mechanistic and entirely divorced from the mind; the only connection between the two is the intervention of God.In the first meditation he casts doubt on the previous foundations of knowledge and everything he has learned or assumed. He stated "But reason now persuades me that I should withhold assent no less carefully from opinions that are not completely certain and indubitable than I would from those that are patently false." In order to evaluate and discern what is actually true he divides the foundations of knowledge into three sources: the senses, reality, and context. In the second meditation he has found one true fact "I think, therefore I am". Descartes then attempts to discover what this "I" is and how it perceives reality. The "I" is a body, a soul, and a thinking thing. It gains perception and recognition through the senses, the imagination, and the mind. He runs into two major problems in these meditations. The first was the existence of reality. The second is the connection between body and mind as he defines them. Descartes is clea...
