Now you are the sons of the prophets and of the covenant which God made with your fathers when he said to Abraham, all families on earth shall be blessed in your offspring.
Besides, Scripture anticipated God's justification of the Gentiles by faith when it announced the gospel beforehand to Abraham in these terms: All nations shall be blessed in thee.
After that I looked, and there was a great host whom no one could count, from every nation and tribe and people and tongue, standing before the throne and before the Lamb, clad in white robes, with palm-branches in their hands;
Now the Promises were made to Abraham and to his offspring; it is not said, 'and to your offsprings' in the plural, but in the singular and to your offspring — which is Christ.
The promise made to Abraham and his offspring that he should inherit the world, did not reach him through the Law, but through the righteousness of faith.
Then I saw another angel flying in mid-heaven with an eternal gospel for the inhabitants of the earth, for every nation and tribe and tongue and people;
singing a new song: "Thou deservest to take the scroll and open its seals, for thou wast slain and by shedding thy blood hast ransomed for God men from every tribe and tongue and people and nation;