Task: Text Categorization
Input (English): This man paired two works, one published only posthumously, which were entitled The World and The Man. One of his works, which is divided into six parts, explains the interaction between the consciousness and the outside world with a metaphor of impressions on a ball of wax, hypothesizes that the human soul is located in the pineal gland, and begins from a position of absolute (*) skepticism, contemplating the existence of an evil demon and ultimately ending at the conclusion "I think, therefore I am." For 10 points, give the French mathematician and philosopher who wrote Discourse on Method and Meditations on First Philosophy.
Output (English): Social Science