"I reason from facts alone, you know. And from the facts at hand I have decided that your bargain is going to consist of demanding the knowledge necessary for you to make a sub-cosmic energy converter, in return for your help in making me understand the obscure psychology of humans and their incomprehensible motivations." There was a protracted mental shudder here. "And I suppose you'll keep that up as long as you live. O.K. But you can expect an argument every time."
Benton went back into the control room with a smile that raised that quizzical eyebrow on Dr. Albie's now serene face. The good doctor couldn't know that his assistant's mind was as far from the recent world-shaking news as it was from the business of the new control circuits. His eyebrow went up another thirty-second of an inch when Benton, apparently musing, said: "A mind is inviolate so long as it refuses to broadcast. I refuse to broadcast. Q.E.D."