"Asia?"
"You must excuse my common way of speaking. I have got into the habit of calling places over which I pass by their unmechanical names."
"Oh, I remember Asia. The Mongols came from it."
"Beneath us, in the open air, stood a city that was once called Simla."
"Have you ever heard of the Mongols and of the Brisbane school?"
"No."
"Brisbane also stood in the open air."
"Those mountains to the right—let me show you them." She pushed back a metal blind. The main chain of the Himalayas was revealed. "They were once called the Roof of the World, those mountains."
"What a foolish name!"
"You must remember that, before the dawn of civilisation, they seemed to be an impenetrable wall that touched the stars. It was supposed that no one but the gods could exist above their summits. How we have advanced, thanks to the Machine!"