I agree with Enzo. I think it was a way of Vincent showing contempt for Zasa (notice the smirk on his face). I bet Andy Garcia ad-libbed that line.

Ntra la porta tua lu sangu � sparsu,
E nun me mporta si ce muoru accisu...
E s'iddu muoru e vaju mparadisu
Si nun ce truovo a ttia, mancu ce trasu.