René Descartes, the father of modern philosophy, argued that living without questioning is akin to keeping one's eyes closed.

“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 ...

Some of us do our best thinking in the shower, others do it while on the toilet. Renee Descartes, he pondered most deeply while ensconced in a baker's oven. The man simply needed to be convinced of ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The simple phrase, "I think, therefore I am," coined by the French philosopher Rene Descartes, helped change the world.

The artful protagonists of The Moving Statues of Seventeenth-Century Amsterdam are witty enchantments, products of active imaginations whose disappearance requires further imaginative action.

A long-lost letter by René Descartes has come to light at Haverford College, where it had lain buried in the archives for more than a century, and the discovery could revolutionize our view of one of ...

How are you? Of course, I realize that how you are is actually not. You have, in fact, ceased to exist. And you've been dead for a long time. Since your passing in 1650, however, your ideas continue ...

A new study casts doubt on the long-held belief that the philosopher's skull was interred with his body, suggesting instead it was subject to the antiquated practice of "skull blasting." What to know: ...