...we ought also to consider as false all that is doubtful. - René Descartes

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...we ought also to consider as false all that is doubtful.

René Descartes

Principles of Philosophy · December 17, 2012 Verified in 1 source Sign up to see the complete provenance

false doubt doubtful method philosophy falsehood consideration

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About René Descartes

René Descartes (March 31, 1596 – February 11, 1650) was a highly influential French philosopher, mathematician, physicist and writer. He is known for his influential arguments for substance dualism, where mind and body are considered to have distinct essences, one being characterized by thought, the other by spatial extension. He has been dubbed the "Father of Modern Philosophy" and the "Father of Modern Mathematics." He is also known as Cartesius.

Biography information from Wikiquote

Also Known As

Alternative Names: Descartes • Cartesius • Renatus Cartesius • Renė Dekartas

All quotes from René Descartes Similar Quotes by other Originators

Originators like René Descartes:

Benedictus de Spinoza Georg Christoph Lichtenberg Immanuel Kant Michel de Montaigne Albert Einstein

Additional quotes by René Descartes

I am thinking, therefore I exist.

But after I had imployed some years in thus studying the Book of the World, and endeavouring to get experience, I took one day a resolution to study also within my self, and to employ all the forces of my minde in the choice of the way I was to follow: which (me thought) succeeded much better, then if I had never estranged my self from my Country, or from my Books.

Right understanding is the most equally divided thing in the World; for every one beleevs himself so well stor’d with it, that even those who in all other things are the hardest to be pleas’d, seldom desire more of it then they have; wherein it is not likely that all Men are deceived: