12 However, to all who did receive him, he gave authority to become God’s children,+ because they were exercising faith in his name.+

16 That is why it is through faith, so that it might be according to undeserved kindness,+ in order for the promise to be sure to all his offspring,+ not only to those who adhere to the Law but also to those who adhere to the faith of Abraham, who is the father of us all.+