René Descartes (1596 - 1650) was a French philosopher, mathematician, and scientist.
It is only prudent never to place complete confidence in that by which we have even once been deceived.
René Descartes
The first precept was never to accept a thing as true until I knew it as such without a single doubt.
René Descartes
The reading of all good books is like a conversation with the finest minds of past centuries.
René Descartes
A state is better governed which has few laws, and those laws strictly observed.
René Descartes
Divide each difficulty into as many parts as is feasible and necessary to resolve it.
René Descartes
Each problem that I solved became a rule, which served afterwards to solve other problems.
René Descartes
I think; therefore I am.
René Descartes
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.
René Descartes