Seldon was staring thoughtfully at the man across the table, wondering if, in any way, he would give some sign that he was less than a man – or more. He said, “Where Aurora was in question, one robot was spoken of as a renegade, a traitor, someone who deserted the cause. Where Earth was in question, one robot was spoken of as a hero, one who represented salvation. Was it too much to suppose that it was the same robot?”

Isaac Asimov, Prelude to Foundation (420)