The influential phrase epitomizes the French philosopher’s search for truth in a world of doubt. The philosopher wrote “Discourse” out of a growing dissatisfaction with his education and ...

Melvyn Bragg and his guests discuss one of the most famous statements in philosophy, 'Cogito ergo sum', Rene Descartes' attempt to establish what we can truly know. Show more Melvyn Bragg and his ...

Rene Descartes (1596–1650) is the author of perhaps the most famous philosophical quote of all, cogito ergo sum, usually rendered as I think, therefore I am. There is however more to this quote, and ...

“Cogito, ergo sum” – “I think, therefore I am” – is probably the most famous line ever uttered by a philosopher, and likely the only Latin some Americans know. So today, on what would have been the ...