Do you look on things according to the outward appearance? If any one trusts in himself, that he is Christ s, let him again reason thus of himself: that as he is Christ s, so also are we.

Abraham's

Know, therefore, that those who are of faith are the sons of Abraham.

For it is written, that Abraham had two sons; one by a bondmaid, and one by a free woman.

and the father of circumcision to those who are not only circumcised, but who, also, walk in the steps of that faith which our father Abraham had while he was yet uncircumcised.

Nor, because they are the posterity of Abraham, are they all children: but in Isaac shall your posterity be called.

of which first-born it was said: In Isaac shall your posterity be called:

Heirs

So, then, you are no longer a servant, but a son; and if a son, an heir also of God, through Christ.

For the promise that he should be the heir of the world, was not to Abraham, nor to his posterity, through law, but through the righteousness of faith.

and, if children, then heirs; heirs of God, and joint-heirs with Christ, if indeed we suffer with him, that we may also be glorified together.

whether Paul, or Apollos, or Cephas, or the world, or life, or death, or things present, or things to come, all are yours:

that the Gentiles should be fellow-heirs, and of the same body, and partakers of his promise in the Christ, through the gospel,

that, being justified by his grace, we might become heirs according to the hope of eternal life.

Are they not all ministering spirits, sent forth to minister to those who shall inherit salvation?

Wherefore, God, being more abundantly willing to show to the heirs of his promise the immutability of his purpose, inter posed an oath,

By faith Noah, after being warned concerning things not yet seen, moved with fear, prepared an ark for the salvation of his house; by which faith he condemned the world, and became an heir of the righteousness which is by faith.

Hear, my be loved brethren: Has not God chosen the poor of this world, rich in faith, and heirs of the kingdom which God has promised to those who love him?

He that overcomes, shall inherit these things, and I will be his God, and he shall be my son.

General references

Is he the God of the Jews only? Is he not also the God of the Gen tiles? Yes, of the Gentiles also:

So, then, those who are of faith are blessed with faithful Abraham.

We, indeed, brethren, like Isaac, are children of promise.