What shall we say then that Abraham our father, as pertaining to the flesh, hath found?  For if Abraham were justified by works, he hath whereof to glory; but not before God.  For what saith the scripture? Abraham believed God, and it was counted unto him for righteousness.
Cometh this blessedness then upon the circumcision only, or upon the uncircumcision also? for we say that faith was reckoned to Abraham for righteousness.
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.  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.
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,
Even as Abraham believed God, and it was accounted to him for righteousness.
 Know ye therefore that they which are of faith, the same are the children of Abraham.  And the scripture, foreseeing that God would justify the heathen through faith, preached before the gospel unto Abraham, saying, In thee shall all nations be blessed.  So then they which be of faith are blessed with faithful Abraham.
That the blessing of Abraham might come on the Gentiles through Jesus Christ; that we might receive the promise of the Spirit through faith.
By faith Abraham, when he was called to go out into a place which he should after receive for an inheritance, obeyed; and he went out, not knowing whither he went.
By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten son,
Was not Abraham our father justified by works, when he had offered Isaac his son upon the altar?
And the scripture was fulfilled which saith, Abraham believed God, and it was imputed unto him for righteousness: and he was called the Friend of God.