QUIZ: Can You Name These Historical Figures?
Who coined the phrase “I think, therefore I am”?

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While all of these people are famous philosophers, it was the French philosopher Rene Descartes who coined the phrase “I think, therefore I am.” Descartes is one of the most notable figures of the Dutch Golden Age.
Imagno/Getty Images
Imagno/Getty Images
Who coined the phrase “I think, therefore I am”?
- Karl Marx
- Plato
- Voltaire
- Rene Descartes
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