Galatians 3:6-9

6 Even so Abraham believed God, and it was reckoned to him as righteousness. 7 Therefore, be sure that it is those who are of faith who are sons of Abraham. 8 The Scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand to Abraham, saying, All the nations will be blessed in you.” 9 So then those who are of faith are blessed with Abraham, the believer.