Thou shalt keep therefore his statutes, and his commandments, which I command thee this day, that it may go well with thee, and with thy children after thee, and that thou mayest prolong [thy] days upon the earth, which the LORD thy God giveth thee, for ever.
Jewish Publication Society of America Version (JPS1917) - Deuteronomy 4:40 >And thou shalt keep His statutes, and His commandments, which I command thee this day, that it may go well with thee, and with thy children after thee, and that thou mayest prolong thy days upon the land, which the LORD thy God giveth thee, for ever.