NET

47 For this is no idle word for you—it is your life! By this word you will live a long time in the land you are about to cross the Jordan to possess.”

Darby

47 For it is no vain word for you, but it is your life, and through this word ye shall prolong your days on the land whereunto ye pass over the Jordan to possess it.

KJV

47 For it [is] not a vain thing for you; because it [is] your life: and through this thing ye shall prolong [your] days in the land, whither ye go over Jordan to possess it.

Strong's

47 For it is not a vain^H7386 thing^H1697 for you; because it is your life^H2416: and through this thing^H1697 ye shall prolong^H748 your days^H3117 in the land^H127, whither ye go over^H5674 Jordan^H3383 to possess^H3423 it.