You’re naïve Hari. Or not a historian, which is the same thing. - Isaac Asimov

Circulation ceases first at the outer edges. It will take a while yet for the decay to reach the heart. That is, the apparent, obvious-to-all decay, as distinct from the inner decay that is an old story of some fifteen centuries.' 'And so this Hari Seldon foresaw a Galaxy of uniform barbarism,' said Riose, good-humouredly. 'And what then, eh?' 'So he established two foundations at the extreme opposing ends of the Galaxy – Foundations of the best, and the youngest, and the strongest, there to breed, grow, and develop. The worlds on which they were placed were chosen carefully; as were the times and the surroundings. All was arranged in such a way that the future as foreseen by the unalterable mathematics of psycho-history would involve their early isolation from the main body of Imperial civilization and their gradual growth into the germs of the Second Galactic Empire – cutting an inevitable barbarian interregnum from thirty thousand years to scarcely a single thousand.

Si utilizara el ingenio que los buenos espíritus me dieron, entonces diría que esta dama no puede existir, pues ¿qué hombre en su sano juicio llamaría al sueño realidad? Sin embargo yo preferiría no ser cuerdo y prestar crédito a mis ojos hechizados

A robot may not injure a human being, or, through inaction, allow a human being to come to harm.