Galatians 3:16
Now the promises were spoken to Abraham and to his seed. He does not say, "And to seeds," as referring to many, but rather to one, "And to your seed," that is, Christ.
Romans 9:8
In other words, it is not the children of the flesh who are the children of God, but the children of the promise are reckoned as descendants.
Galatians 4:28
Now you, brethren, like Isaac, are children of promise.
Hebrews 11:13
These all died in faith, not having received the promises, but having seen them and greeted them from a distance, and having acknowledged that they were strangers and exiles on the earth.