Ye shall serve him, to wit, only, as appears from the opposition. Compare Deuteronomy 6:13, with Matthew 4:10.
Related Commentaries of Deuteronomy 13:4
Deuteronomy 13:4
4 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.