In his days may the righteous flourish and prosperity abound till the moon is no more.
NMVIn his days shall the righteous flourish; and abundance of peace so long as the moon endures.
OJBIn his yamim shall the tzaddik flourish; and abundance of shalom so long as the yarei'ach endureth.
T4TI hope/desire that people will live righteously during the years that I rule, and that my people will live peacefully and prosperously as long as the moon shines.