Romans 4:13

10 How then was it reckoned? when he was in circumcision, or in uncircumcision? Not in circumcision, but in uncircumcision.

11 And he received the sign of circumcision, a seal of the righteousness of the faith, which [he had yet] being uncircumcised: that he might be the father of all them that believe, though they are not circumcised, that righteousness might be imputed to them also;

12 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 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 For if they who are of the law [are] heirs, faith is made void, and the promise made of no effect.

15 Because the law worketh wrath: for where no law is, [there is] no transgression.

16 Therefore [it is] of faith, that [it might be] by grace; to the end the promise might be sure to all the seed, not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all;