“Long ago, an edict was made by the planetary government that only certain fields of land could ever be used for burial. So cemetery space is at an optimum. Hence, the Law of Decipherability.’ ‘Which is?’ ‘The law states that once the eroding hands of time and the elements have made the last names on a field’s gravestones illegible, the anonymous dead may be exhumed, the bones buried in a pit, and the field reused.”
