> I have heard, o fortunate king, that the scholars, who called themselves the Foundation, found an object which posed them many problems: It could not be moved from its location and so the Foundation built Provisional Site-7891 to guard it. They had to divert all means of travel so that none would discover it. If any traveler wandered too close, they would be given drugs to make them forget whatever they had seen, then set back on a more favorable trail.