Autores:
  • We should not measure our space-faring era by where footprints have been laid.... We should measure our era by how many people take no notice at all. A legacy rises to become culture only when its elements are so common that they no longer attract comment.

    Neil Degrasse Tyson (2010). “The Sky Is Not the Limit: Adventures of an Urban Astrophysicist”, p.69, Prometheus Books