Galatians 3:6-8

Living_Oracles(i) 6 even as Abraham believed God, and it was counted to him for righteousness; 7 know, therefore, that they who are of faith, the same are sons of Abraham. 8 For the scripture, foreshowing that God would justify the nations by faith, formerly announced the gospel to Abraham, saying, "Surely in you shall all the nations be blessed."