I went up by revelation, and I explained to them the Good News which I proclaim among the Gentiles, but privately before those who were respected, for fear that I might be running, or had run, in vain.

but to the contrary, when they saw that I had been entrusted with the Good News for the uncircumcision, even as Peter with the Good News for the circumcision

Is the law then against the promises of God? Certainly not. For if there had been a law given which could make alive, most certainly righteousness would have been of the law.

For it is written that Abraham had two sons, one by the handmaid, and one by the free woman.