Deuteronomy 30:20

New Living Translation Bible (NLT)
You can make this choice by loving the Lord your God, obeying him, and committing yourself firmly to him. This[c] is the key to your life. And if you love and obey the Lord, you will live long in the land the Lord swore to give your ancestors Abraham, Isaac, and Jacob.”

Read Deuteronomy 30:20 in other translations