Victory by Lester Del Rey — Read

It was quiet in the underground office of the director, except for the faint sound of Flannery's arms sliding across each other in an unconscious massaging motion. He caught himself at it, and leaned back, his tired facial muscles twitching into a faint smile.

Strange things happened to a man when he grew old. His hair turned gray, he thought more of the past, and prosthetic limbs began to feel tired, as if the nerves were remembering also. And the work that had once seemed vitally important in every detail winnowed itself down to a few things, with the rest only bothersome routine.