Deuteronomy 11:21
That your days may be multiplied, and the days of your children, in the land which the Lord sware unto your fathers to give them, as the days of heaven upon the earth.
Cross-references
Deuteronomy 4:40 promises prolonged days in the land for obedience, matching the blessing of multiplied days for children here.
Deut 5:16 also promises long life and prosperity in the land for honoring parents—same covenant blessing theme.
Deut 6:2 similarly ties long days to fearing God and keeping statutes—direct parallel from the same context.
Ps 89:29 uses the exact phrase 'as the days of heaven' for David's throne—strong verbal echo of Deut 11:21.
Prov 9:11 has wisdom saying 'by me your days will be multiplied'—direct parallel to Deut promise.
Prov 3:2 promises length of days as a reward for wisdom—echoes the blessing but from a wisdom perspective.
Prov 3:16 says long life is in wisdom's hand—same motif of longevity as blessing.
Prov 4:10 states receiving instruction brings many years—parallel wisdom teaching on long life.
Isa 65:20 describes extreme longevity in the new creation—parallel theme of long life but eschatological context.