Deuteronomy 8:1 in the King James Version
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.
Context
1 You shall observe to do all the commandments which I command you today, that you may live, and multiply, and go in and possess the land which the LORD swore to your fathers.
2 You shall remember all the way which the LORD your God has led you these forty years in the wilderness, that he might humble you, to test you, to know what was in your heart, whether you would keep his commandments or not.