Everybody pities the weak; jealousy you have to earn. (Arnold Schwarzenegger)

Basically, I no longer work for anything but the sensation I have while working. (Albert Giacometti (sculptor))

The only difference between me and a madman is that I’m not mad. (Salvador Dali)

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