
Descartes in 90 Minutes
René Descartes spent much of his life in solitude. Fortunately, these countless lonely hours helped Descartes produce the declaration that changed all philosophy: “I think, therefore I am.” Convincing himself to doubt and disregard sensory knowledge, Descartes found he could prove his existence through his thoughts alone. This internal reality, he believed, was the true reality, while the external...
René Descartes spent much of his life in solitude. Fortunately, these countless lonely hours helped Descartes produce the declaration that changed all philosophy: “I think, therefore I am.” Convincing himself to doubt and disregard sensory knowledge, Descartes found he could prove his existence through his thoughts alone. This internal reality, he believed, was the true reality, while the external...