I have other sheep who aren’t in this sheep pen. I must bring them in too. They will also listen to my voice, and then there will be one flock and one shepherd.
That’s why the promise comes by faith, so that it can be based on God’s grace and be guaranteed to all of Abraham’s children. That means not only those who are his children under the law, but also those who are Abraham’s children because have the same faith that he did. He is the father of us all.
When Paul came in, the Jews who’d come from Jerusalem crowded around him, making many serious charges against him. But they couldn’t prove that any of them were true.