James 2:23
And that in this way the words of Scripture came true-- "Abraham believed God, and that was regarded by God as righteousness," and "He was called the friend of God."
Matthew 3:9
And do not think that you can say among yourselves 'Abraham is our ancestor,' for I tell you that out of these very stones God is able to raise descendants for Abraham!
John 8:33-44
"We are descendants of Abraham," was their answer, "and have never yet been in slavery to any one. What do you mean by saying 'you will be set free'?"
John 15:14-15
And you are my friends, if you do what I command you.
Romans 4:12-13
As well as father of the circumcised-to those who are not only circumcised, but who also follow our father Abraham in that faith which he had while still uncircumcised.
Romans 9:4-8
For they are Israelites, and theirs are the adoption as Sons, the visible Presence, the Covenants, the revealed Law, the Temple worship, and the Promises.
Galatians 3:19
What, then, you ask, was the use of the Law? It was a later addition, to make men conscious of their wrong-doings, and intended to last only till the coming of that 'offspring' to whom the promise had been made; and it was delivered through angels by a mediator.
Galatians 4:22-31
Scripture says that Abraham had two sons, one the child of the slave-woman and the other the child of the free woman.