Rom Romans, chapter Epistle to the Romans, chapter 3
Vi-bahlt (since), after all, Adonai echad3:30 Dt 6:4 (G-d is one). Therefore, He will consider to be YITZDAK IM HASHEM and acquit those of the milah on the ground of emunah and the “arelim” (uncircumcised ones) through that same emunah.