One of Them arose and gently spoke.
"And now you are the last of your kind, as alone as Wainer was. We are sorry."
There was no bitterness in the old man's voice. "Don't be. Wainer was content to die, knowing that he was the link between us and You. Yet neither he nor You could have been if humanity had never existed. We had our place in the endless flow of history. We were, so to speak, Wainer's parents and Your grandparents. I, too, am content, proud of the children of Man."