“That’s just it,” said Tirin with the glee of one following logic. “All the material on Urras available to students is the same. Disgusting, immoral, excremental. But look. If it was that bad when the Settlers left, how has it kept on going for a hundred and fifty years? If they were so sick, why aren’t they dead? Why haven’t their propertarian societies collapsed? What are we so afraid of?”
