A people that values its privileges above its principles soon loses both. (Dwight D. Eisenhower , Inaugural Address, January 20, 1953)

Whether you think that you can, or that you can’t, you are usually right. (Henry Ford)

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

I shall not waste my days in trying to prolong them. (Ian L. Fleming)

I don’t know why we are here, but I’m pretty sure that it is not in order to enjoy ourselves. (Ludwig Wittgenstein)

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

The power of accurate observation is frequently called cynicism by those who don’t have it. (George Bernard Shaw)

We are all atheists about most of the gods humanity has ever believed in.Some of us just go one god further. (Richard Dawkins)

Maybe this world is another planet’s Hell. (Aldous Huxley)