Deuteronomy 13:18 in the King James Version
When thou shalt hearken to the voice of the LORD thy God, to keep all his commandments which I command thee this day, to do that which is right in the eyes of the LORD thy God.
Context
17 Nothing of the devoted thing shall cling to your hand, that the LORD may turn from the fierceness of his anger and show you mercy, and have compassion on you and multiply you, as he has sworn to your fathers,
18 when you listen to the LORD your God’s voice, to keep all his commandments which I command you today, to do that which is right in the LORD your God’s eyes.