They: Our master, he also expounded this principle: (Jeremiah 23:7) "Therefore, behold, days are coming, says the L–rd, when it will no more be said: 'As the L–rd lives, who brought up the children of Israel from the land of Egypt, etc.'" To what may this be compared? A man desired children and had a daughter — whereupon (when he made a vow) he vowed upon her life. Thereafter, he had a son, and (in vowing) he left off (vowing by) his daughter and vowed upon the life of his son.