There is nothing so strange and so unbelievable that it has not been said by one philosopher or another. – 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
Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has. – 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
The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once. – Rene 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. – Rene Descartes
Each problem that I solved became a rule, which served afterwards to solve other problems. – Rene Descartes
The greatest minds are capable of the greatest vices as well as of the greatest virtues. – Rene Descartes
Common sense is the most fairly distributed thing in the world, for each one thinks he is so well-endowed with it that even those who are hardest to satisfy in all other matters are not in the habit of desiring more of it than they already have. – Rene Descartes
The reading of all good books is like a conversation with the finest minds of past centuries. – Rene Descartes
Divide each difficulty into as many parts as is feasible and necessary to resolve it. – Rene Descartes
I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake. – Rene Descartes
When it is not in our power to follow what is true, we ought to follow what is most probable. – Rene Descartes
An optimist may see a light where there is none, but why must the pessimist always run to blow it out? – 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
Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it. – Rene Descartes
It is only prudent never to place complete confidence in that by which we have even once been deceived. – Rene Descartes