It was faith that made Abraham obey when God called him to go out to a country which God had promised to give him. He left his own country without knowing where he was going.
For when we are in union with Christ Jesus, neither circumcision nor the lack of it makes any difference at all; what matters is faith that works through love.
So then, my dear friends, stand firm and steady. Keep busy always in your work for the Lord, since you know that nothing you do in the Lord's service is ever useless.
I have chosen him in order that he may command his sons and his descendants to obey me and to do what is right and just. If they do, I will do everything for him that I have promised.”
On that same day Abraham obeyed God and circumcised his son Ishmael and all the other males in his household, including the slaves born in his home and those he had bought.
So then, whoever disobeys even the least important of the commandments and teaches others to do the same, will be least in the Kingdom of heaven. On the other hand, whoever obeys the Law and teaches others to do the same, will be great in the Kingdom of heaven.