[he stopped walking and crossed his arms.]

Because I refuse to believe that anyone is worthless.

[He sighed and looked up, dropping his arms.]

I believed once that I was. That I would just hold everyone back. We weren't making any progress and then things happened to exacerbate the issue. [His brand suddenly progressed rapidly is what happened. He had been closer to becoming a Cie'th.] But they stood by me anyway. I wouldn't be here today without them and I know it is the same to them.

[He started walking again.]

Just because you don't see your own worth doesn't mean you're worthless.