Rene Descartes - “I think, therefore I am”

published 4 years ago by BBC Radio

How did Descartes come to the conclusion of certainty when surrounded by uncertainty and doubt? Narrated by Stephen Fry.

Analyzed. Thinking thing. That's what rented a cot believed. But how did he get past. Decurrent asked what if anything can I knew for certain. He decided he couldn't rely on any evidence acquired from his senses. Since they sometimes misled him. Straight stick conduct bench in water in the past had mistaken the shape of objects in the distance. And so on. Worse still wants and sleeping he sometimes trim to hook it up. So how then could deep short he wasn't dreaming now. But hang on surely 2 plus 3 equals 5 even in a dream. Take cotton mathematician wouldn't get that wrong witty. Even here decor and realized he couldn't claim absolute certainty. For. What you can never would ...

more episodes from A History of Ideas animations