chunk: It becomes apparent to all that Wehling is in a state of despair, wanting not to send his grandfather and two of his children to death. Dr. Hitz questions Wehling's belief in the system, and tries to make Wehling feel better by explaining how the surviving child will "live on a happy, roomy, clean, rich planet." Suddenly, Wehling draws a revolver and kills Dr. Hitz, Leora Duncan, and himself - "making room for all three children."
  The painter, who is about two hundred years old, is left to reflect on the scene, and thinks about life, war, plague, and starvation. Descending the stepladder, he initially takes the revolver, intending to kill himself, but he can't do it. The last line is from the receptionist at the Bureau:
  â"Thank you, sir," said the hostess. "Your city thanks you; your country thanks you; your planet thanks you. But the deepest thanks of all is from all of the future generations."â