4 It is the LORD your God you must follow, and him you must revere. Keep his commands and obey him; serve him and hold fast to him.

Read Deuteronomy 13:4 Using Other Translations

Ye shall walk after the LORD your God, and fear him, and keep his commandments, and obey his voice, and ye shall serve him, and cleave unto him.
You shall walk after the LORD your God and fear him and keep his commandments and obey his voice, and you shall serve him and hold fast to him.
Serve only the LORD your God and fear him alone. Obey his commands, listen to his voice, and cling to him.