It is not enough to have a good mind the main thing is to use it well. – Rene Descartes
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
I am indeed amazed when I consider how weak my mind is and how prone to error. – Rene Descartes
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