By his day, living to that age was evidently considered unusual, for he wrote: “In themselves the days of our years are seventy years; and... because of special mightiness they are eighty years. ”
(‏ خروج ۷ :‏ ۷ )‏ از قرار معلوم در روزگار موسی رسیدن به چنین سنی معمولی نبود چون که خود او نوشت :‏ « ایّام عمر ما هفتاد سال است و اگر از بنیه ،‏ هشتاد سال باشد .‏ »