Deuteronomy 8:1
All the commandments which I command thee this day shall ye observe to do, that ye may live, and multiply, and go in and possess the land which the Lord sware unto your fathers.
Cross-references
Deuteronomy 4:1 gives the same exhortation to obey the commandments to live and possess the land, reinforcing this central theme.
Deuteronomy 5:33 repeats the call to walk in God's way to live and possess the land, closely paralleling this verse.
Deuteronomy 6:1-3 expands the same command to obey in order to multiply and enjoy long life in the land.
Deuteronomy 6:24 similarly links obedience to God’s statutes with life and preservation — the same promise and command.
Deuteronomy 5:32 similarly commands careful obedience without turning aside, though it omits the specific land promise.
Leviticus 19:37 commands keeping all God's statutes — directly echoing the ‘whole commandment’ here and the call to do them.
2 Chronicles 33:8 repeats the condition: careful obedience to the law ensures continued possession of the promised land.
Jeremiah 32:22 recalls the very land promise here — the land God swore to give the fathers, fulfilling what is conditioned on obedience.