 Yuruzh explains to Althea that he had followed the "Ta'zu" and quietly taken the ship.After sounding her out on her current plans and prospects, he proposes marriage, stating he has admired her since first laying eyes on her.He also reveals the secret of the Záva's intelligence; when younger, he had been taken to Earth and given the experimental "Pannoëtic treatment", which turns lower primates into geniuses while driving human beings mad.