15 Quotes & Sayings By Rene Descartes

René Descartes was a French philosopher and mathematician. He is most famous for his formulation of the Cartesian coordinate system, which completely reformed the field of geometry and broke away from medieval philosophy. He is the founder of analytic geometry and the father of analytic philosophy. Descartes also made important contributions to optics, geometrical analysis and number theory.

1
Illusory joy is often worth more than genuine sorrow. Rene Descartes
2
I think therefore I am. Rene Descartes
3
I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery. Rene Descartes
4
I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake. Rene Descartes
5
I think therefore I am. Rene Descartes
6
It is not enough to have a good mind the main thing is to use it well. Rene Descartes
7
The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once. Rene Descartes
8
It is not enough to have a good mind the main thing is to use it well. Rene Descartes
9
The reading of all good books is like a conversation with the finest minds of past centuries. Rene Descartes
10
I am indeed amazed when I consider how weak my mind is and how prone to error. Rene Descartes
11
When it is not in our power to follow what is true, we ought to follow what is most probable. Rene Descartes
12
The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge. Rene Descartes
13
A state is better governed which has few laws, and those laws strictly observed. Rene Descartes
14
Perfect numbers like perfect men are very rare. Rene Descartes