"If I Forget Thee, Oh Earth" is the story of Marvin, a child who lives in a lunar colony. One day, his father (who is also the head scientist) drives him across the surface to see a glimpse of Earth, glowing with lethal radiation. The father tells Marvin that Earth was destroyed in a nuclear war. The colony is the last vestige of mankind, but without a goal to strive for, the colony (and mankind) will die. The ultimate goal of the colony will be to one day reclaim Earth, for mankind had developed to a point where the best of it could put its seed far enough away from where it had evolved, and away from the reach of development's harm, so that the cradle of humanity could be restored. It took individual effort to attain the colony when it almost failed, and individual effort to maintain the colony when it barely survived, and provided confidence that in the distant future the colony would restore mankind's cradle.
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