Desde el punto de vista sociológico, es como si, cuando el viejo Imperio empezó a descomponerse en sus bordes, la ciencia les hubiese fallado a los m… - Isaac Asimov

It’s a dull world, full of farms and with lots of cattle, both four-legged and two-legged.

The theory of universal gravitation is not cast-iron. No theory is, and there is always room for improvement. Isn't that so? Science is constructed out of approximations that gradually approach the truth. . . Well, that means all theories are subject to constant testing and modification, doesn't it? And if it eventually turns out that they're not quite close enough to the truth, they need to be replaced by something that's closer. Right?

The Autarch maintained his indifferent calm, but a certain lack of certainty was gathering, and he did not like to experience a lack of certainty. He liked nothing which made him aware of limitations. An Autarch should have no limitations, and on Lingane he had none that natural law did not impose.