A man of Seville is shaved by the Barber of Seville if and only if the man does not shave himself. Does the barber shave himself?
Bertrand RussellBut it is just this characteristic of simplicity in the laws of nature hitherto discovered which it would be fallacious to generalize, for it is obvious that simplicity has been a part cause of their discovery, and can, therefore, give no ground for the supposition that other undiscovered laws are equally simple.
Bertrand Russell