ف َحَسَبَ آخِرِ تَعلِيماتِ داوُدَ، صارَ الَّلاوِيُّونَ يُعَدُّونَ اعتِباراً مِنْ سِنِّ العِشْرِينَ فَما فَوْقُ.
For by the last words of David the Levites were numbered from twenty years old and above: