Copy & paste this link to your blog or website to reference this page
Quotation by René Descartes
I think, therefore I am.
[Cogito, ergo sum.]
René Descartes (1596–1650), French philosopher, mathematician. Le Discours de la Méthode, pt. 4 (1637).
Surprise me with a
The Columbia World of Quotations © 1996, Columbia University Press.
Licensed from Columbia University Press. All rights reserved. Except as otherwise permitted by written agreement, the following are prohibited: copying substantial portions or the entirety of the work in machine readable form, making multiple printouts thereof, and other uses of the work inconsistent with U.S. and applicable foreign copyright and related laws.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.