If you would be a real seeker after truth it is necessary that at least once...
The senses deceive from time to time and it is prudent never to trust wholly...
Each problem that I solved became a rule which served afterwards to solve...
When it is not in our power to follow what is true we ought to follow what...
Except our own thoughts there is nothing absolutely in our power.
Perfect numbers like perfect men are very rare.
I hope that posterity will judge me kindly not only as to the things which I...
The reading of all good books is like a conversation with the finest minds of...
It is not enough to have a good mind the main thing is to use it well.
I am accustomed to sleep and in my dreams to imagine the same things that...
I am indeed amazed when I consider how weak my mind is and how prone to error.
The two operations of our understanding intuition and deduction on which...
Dignity is not negotiable. Dignity is the honor of the family.