23 Abraham then proceeded to take Ishʹma·el his son and all the men born in his house and everyone purchased with money of his, every male among the men of the household of Abraham, and he went to circumcising the flesh of their foreskins in this very day, just as God had spoken with him.+

8 By faith Abraham,+ when he was called, obeyed in going out into a place he was destined to receive as an inheritance; and he went out, although not knowing where he was going.+

21 Was not Abraham our father+ declared righteous by works after he had offered up Isaac his son upon the altar?+