How wrong it is for a woman to expect the man to build the world she wants, rather than to create it herself. (Anais Nin)

I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth. (Umberto Eco)

Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)

Not everything that can be counted counts, and not everything that counts can be counted. (Albert Einstein)