Rene Descartes

Rene Descartes Quotes and Sayings

Rene Descartes French mathematician & philosopher (1596 - 1650)

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things. ~Rene Descartes

I think; therefore I am. ~Rene Descartes

The greatest minds are capable of the greatest vices as well as of the greatest virtues. ~Rene Descartes

It is not enough to have a good mind. The main thing is to use it well. ~Rene Descartes

The first precept was never to accept a thing as true until I knew it as such without a single doubt. ~Rene Descartes

One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another. ~Rene Descartes

It is only prudent never to place complete confidence in that by which we have even once been deceived. ~Rene Descartes