Perfect numbers like perfect men are very rare. – Rene Descartes
The reading of all good books is like a conversation with the finest minds of past centuries. – Rene Descartes

Perfect numbers like perfect men are very rare. – 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
The senses deceive from time to time, and it is prudent never to trust wholly those who have deceived us even once. – Rene Descartes