Quotes by Rene Descartes
- Each problem that I solved became a rule, which served afterwards to solve other problems.
- Except our own thoughts, there is nothing absolutely in our power.
- I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
- I am indeed amazed when I consider how weak my mind is and how prone to error.
- 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.
- 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.
- It is not enough to have a good mind the main thing is to use it well.
- Perfect numbers like perfect men are very rare.
- The reading of all good books is like a conversation with the finest minds of past centuries.
- The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once.
- The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
- When it is not in our power to follow what is true, we ought to follow what is most probable.