"I was right," he said. "They planned it to the last. They're still that jump ahead of us."

They stood there, the two of them, thinking of those people who had planned so well, who had thought so far ahead, who had known the problems and had planned against them.

"Come on," he said. "Let's go."

"Jon."

"Yes."

"Can we have children now?"

"Yes," he said. "We can have children. Anyone who wishes may. On the ship there were so many of us. Now on this planet there are so few of us."

"There is room," said Mary. "Room to spare."

He unlocked the control room door, carefully locked it behind him. They went down the darkened corridors.

The loudspeaker took up again: