Then Abraham took Ishmael, his son, and all who were born in his house, and all who were bought with his money, every male among the men of Abraham’s household, and circumcised the flesh of their foreskins that very same day as God had said to him.
I chose him, and he will instruct his children and his household after him to keep the way of the Lord by doing righteousness and justice, so that the Lord may bring to Abraham what He promised him.”
Whoever, therefore, breaks one of the least of these commandments and teaches others to do likewise shall be called the least in the kingdom of heaven. But whoever does and teaches them shall be called great in the kingdom of heaven.
By faith Abraham obeyed when he was called to go out into a place which he would later receive as an inheritance. He went out not knowing where he was going.