Nitrous X Who am I? — Roxas, don't be sad. I came from you and Sora. I am you... the same way that I am Sora. You'll forget me, but the memories themselves will never go away. Memories of you and me will always be together... forever, inside him.
I'm sorry, but... I can't go with you. It's my friends - they need me. And I need them, too.
Nitrous X Repliku! — I thought by finding some new strength, I could finally be someone...Someone who is not at all you! But... nothing changes... I'm still just empty! Everything about me is borrowed. As long as you're around, I'll never be more than a shadow!
A faithful replica until the very end. That's...Okay
Nitrous X Xemnas! —"Hear me, Kingdom Hearts! It seems we must begin anew. Ah, but know this: I will give to you as many hearts as it takes. Mark my words! You can no more be complete without me than I without you. Heed me, Kingdom Hearts! Lend me your power, so that we may be complete! The power to erase the fools that hinder us."
"You accept darkness, yet choose to live in the light. So why is it that you loathe us who teeter on the edge of nothing? We who were turned away by both light and dark - never given a choice?"