A circle has no end.

“He’s but a windlet that blows the dust about my ankles. There is another that I…”

“And Mallow laughed joyously. "You've missed, Sutt, missed as badly as the Commd…”

“In a properly automated and educated world, then, machines may prove to be the …”

“We now know the basic rules governing the universe, together with the gravitati…”