Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera:  MunhuX anoverenga pamusoro pemaitiro evanhu
Chokwadi, heino ndima pfupi: Sagan anoda kunzwisisa kuti nei vanhu vachiita zvavanoita. Kuti anzwisise nyaya iyi, Sagan anowanzoverenga mabhuku nenyaya dzinotaura nezvemaitiro evanhu. Munguva pfupi yapfuura, Sagan akaverenga bhuku pamusoro pesayenzi yokukwezva, iro rakapa nzwisiso dzinonakidza dzokuti vanhu vanokwezvana sei.