Science and technology have a simple and persuasive message: the world's problems are soluble by ingenuity and material innovations; the world's ridd… - Geoffrey Blainey

With the help of hindsight it is easy to imagine the stone-age migrants moving along the shortest possible route to Australia, but there is no reason why they should have taken the shortest route. Australia was merely the chance terminus of a series of voyages and migrations spread in all probability over many generations.

Australia is increasingly the story of a few large cities, but a thousand half-forgotten townships still view themselves as the emotional heart of the nation.

The global role of the United States is perhaps the ultimate chapter in that long period of European expansion which had begun in western Europe, and especially on the Atlantic seaboard, during the 15th century. Europe slowly had outgrown its homeland. Its cultural empire eventually formed a long band traversing most of the Northern Hemisphere and dipping far into the Southern. The modern hub of the peoples and ideas of European origin is now New York as much as Paris, or Los Angeles as much as London. In the history of the European peoples the city of Washington is perhaps what Constantinople - the infant city of Emperor Constantine - was to the last phase of the Roman Empire; for it is unlikely that Europeans, a century hence, will continue to stamp the world so decisively with their ideas and inventions.