Nimumpe ibigegene vy’ivyuma”. Ni uko rero ba bantu barazanye ibigegene vy’ivyuma gushika n’aho bigera ku burebure bwa ya misozi, Dhu l-Qarnayini aca ababwira ati: “Nimucane umucanwa maze muvube”. Vya bigegene vy’ivyuma bimaze gufata umucanwa bigatukura, Dhu l-Qarnayini yaciye ababwira ati: “Nimumpe rero ubutare bw’umujumpu, mpeze ndabuyagirize kuri ibi bigegene vy’ivyuma”.