" He had seen the ambitious and the proud seek to raise themselves above their kin, and in so doing corrupt themselves, make themselves into things of contempt. The true nobility did not need to prove itself. It simply was, a fact as indisputable as the orbit of planets and the majesty of stars. "

― David Annandale , Roboute Guilliman: Lord of Ultramar (The Horus Heresy: Primarchs #1)