«Las Tres Leyes de la Robótica de Asimov» y son las siguientes: 1. Un robot no puede hacer daño a un ser humano, o, por medio de la inacción, permiti… - Isaac Asimov

The laws of history are as absolute as the laws of physics, and if the probabilities of error are greater, it is only because history does not deal with as many humans as physics does atoms, so that individual variations count for more. Seldon predicted a series of crises through the thousand years of growth, each of which would force a new turning of our history into a pre-calculated path. It is those crises which direct us — and therefore a crisis must come now.

Our own civilization has a dubious future, and if we can express the reason in brief it is that we find it difficult (perhaps impossible) to cooperate in solving our problems. We are too contentious a species and apparently find our local quarrels to be more important than our overall survival.

If you told me he were Satan in masquerade, there would be a faint chance that I might believe you.