Each problem that I solved became a Posted on January 16, 2016January 16, 2011 by admin “Each problem that I solved became a rule, which served afterwards to solve other problems.” — Rene Descartes Author: Rene Descartes Category: science Tags: science, Rene Descartes Spread the love Related posts: Each problem that I solved became a Adventure upon all the tickets in the It is a good morning exercise for Science is a way of thinking much