The Tyranni rule fifty worlds; they are outnumbered hundreds to one. In such a position, simple force is insufficient. Devious methods, intrigue, assassination are their specialties. The net they weave across space is a wide one, and close-meshed. I can well believe that it extends across five hundred light-years to Earth.

Triangle: The currents of space; Pebble in the sky; The stars, like dust (ed. 1952)