'Faith righteousness' in the Bible

and he received circumcision as a sign, a seal of the faith-righteousness which he had while he was in uncircumcision; in order that he might be the father of all who believe, even though they are uncircumcised; so that righteousness might be imputed to them.

For the promise that he should be heir of the world did not come to Abraham or to his posterity through law, but through faith-righteousness.