Dante's argument against Vergil about ruling humanity:
Vergil: Humans are frail, they are like children, they need our protection. Not just from others, but from themselves! We - you and I - have saved them.
Dante: You and I have saved them?
Vergil: Who else?
Dante: A human.
Vergil: Kat was useful but-
Dante: Kat saved my life, Kat held out under torture to keep your existence a secret! Kat led us through the tower to Mundus' lair. We would've failed twenty times over if it wasn't for her!