When she was seven hundred years old, still a baby by world builder standards, I walked my daughter to the seed field where I had been designing Earth. Kids usually weren’t allowed in the fields until they had completed their apprenticeship in their second millennium, but I needed to show her; she needed to understand. We walked between the rows of giant spheres, some as big as moons, glowing with ribbons of light, as I told her stories about each one. The fields are where most of the advanced civilizations in the galaxy are born and, for all we know, every galaxy has a world builder planet
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