Each problem that I solved became a rule, which served afterwards to solve other problems.


Discourse on the Method (1637)


Each problem that I solved became a rule, which served afterwards to solve other problems.

Each problem that I solved became a rule, which served afterwards to solve other problems.

Each problem that I solved became a rule, which served afterwards to solve other problems.

Each problem that I solved became a rule, which served afterwards to solve other problems.