Romans 4
12 Ref And the father of circumcision to them who are not of the circumcision only, but who also walk in the steps of that faith of our father Abraham, which he had being yet uncircumcised.
13 Ref For the promise, that he should be the heir of the world, was not to Abraham, or to his seed, through the law, but through the righteousness of faith.
14 Ref For if they which are of the law be heirs, faith is made void, and the promise made of none effect: