I think ‘Hail to the Chief’ has a nice ring to it. (John F. Kennedywhen asked what is his favorite song)

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)

Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

There are no facts, only interpretations. (Friedrich Nietzsche)