that your days and the days of your children may be multiplied in the land of which the LORD swore to your fathers to give them, like the days of the heavens above the earth.
Deuteronomy 11:21
Surrounding context
11:20 And you shall write them on the doorposts of your house and on your gates,
11:21 that your days and the days of your children may be multiplied in the land of which the LORD swore to your fathers to give them, like the days of the heavens above the earth.
11:22 "For if you carefully keep all these commandments which I command you to do--to love the LORD your God, to walk in all His ways, and to hold fast to Him--