Descartes then recognizes that everything he knows, he has come to know through the senses. Therefore, he begins to question the accuracy of sensory perception as an epistemological method, and he presents his first reason for doubting his beliefs. ... Descartes asserts, "When I think this matter over more carefully I see so clearly that waking can never be distinguished from sleep by any conclusive indications that I am stupefied (Descartes 14).... Descartes then reasons that the universal, fundamental aspects of an object, like extension and shape, and the studies derived from them, ...

• Word Count: 1233
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

Descartes challenges the idea of certainty. Descartes presents the idea of an Evil Genius. ... Descartes Vs. ... Hume believed that the study of man was ultimately most important because all other sciences trace back to man. ... Hume simply assesses the question, if we have a soul then from what impression do we take it from and call that me? ...

• Word Count: 1300
• Approx Pages: 5
• Grade Level: High School

Unlike earlier great thinkers, Rene Descartes was the first to view psychology as a form of science in its own way. Dissatisfied with what he was taught in school, he took a particular interest in studying psychology and its similarity to scientific principles. ... Descartes incorporated the use of mathematic-like certainty principles in the determination of psychological solutions. ... The third rule involved proceeding step by step in solving psychological questions which was a big contrast to the conventional methods that existed then in making decisions by conducting few observations. ... ...

• Word Count: 545
• Approx Pages: 2
• Has Bibliography
• Grade Level: Undergraduate