For the promise that he would be the heir of the world was not to Abraham or to his seed through the law, but through the righteousness of faith.
Romans 4:13
Surrounding context
4:12 and the father of circumcision to those who not only are of the circumcision, but who also walk in the steps of the faith which our father Abraham had while still uncircumcised.
4:13 For the promise that he would be the heir of the world was not to Abraham or to his seed through the law, but through the righteousness of faith.
4:14 For if those who are of the law are heirs, faith is made void and the promise made of no effect,