“Ah, the future good!” Leebig’s eyes glowed with passion and he seemed to grow less conscious of his listener and correspondingly more talkative. “A simple concept, you think. How many human beings are willing to accept a trifling inconvenience for the sake of a large future good? How long does it take to train a child that what tastes good now means a stomach-ache later, and what tastes bad now will correct the stomach-ache later? Yet you want a robot to be able to understand?”
