WEB
Moses swore on that day, saying, ‘Surely the land where you walked shall be an inheritance to you and to your children forever, because you have wholly followed Yahweh my God.’
YLT
and Moses sweareth in that day, saying, If not—the land on which thy foot hath trodden, to thee it is for inheritance, and to thy sons—to the age, for thou hast been fully after Jehovah my God.