The Empire has always been a realm of colossal resources. They’ve calculated everything in planets, in stellar systems, in whole sectors of the Galaxy. Their generators are gigantic because they thought in gigantic fashion. But we, – we , our little Foundation, our single world almost without metallic resources, –have had to work with brute economy. Our generators have had to be the size of our thumb, because it was all the metal we could afford. We had to develop new techniques and new methods ... ("Foundation," Isaac Asimov.)











