It is not enough to have a good mind the main thing is to use it well. – Rene Descartes
Each problem that I solved became a rule, which served afterwards to solve other problems. – Rene Descartes
It is not enough to have a good mind the main thing is to use it well. – Rene Descartes
Each problem that I solved became a rule, which served afterwards to solve other problems. – Rene Descartes
Divide each difficulty into as many parts as is feasible and necessary to resolve it. – Rene Descartes