ief, Descartes believed that these principles were not developed by experience. He thought that we were born with these talents, which were innate. The challenge in life is to realize these innate talents. In his model of one large tree the branches represented morals, medicine, and mechanics. The trunk of the tree represented physics, which he believed all science developed from. He believed that the roots were the metaphysics.Descartes achieved what he set out to do. He developed a new philosophy, which separated him from the other older philosophical ideas. By doubting all that he had previously learned he was able to seek the truth that avoided him. He developed the first Principle of Philosophy in I think, therefore I am. Overall his journey to develop a new philosophy was a success as evidenced by the fact that he is considered the father of modern philosophy....