And keep the charge of the LORD thy God, to walk in his ways, to keep his statutes, and his commandments, and his judgments, and his testimonies, as it is written in the law of Moses, that thou mayest prosper in all that thou doest, and whithersoever thou turnest thyself:
Keep the charge of the Lord thy God - i:e., the divine law, in all its ceremonial as well as moral requirements. But particular reference was intended to its political institutions, since it was only by strictly maintaining the conduct that became the Hebrew monarch (Deuteronomy 17:16-20) that he should secure the blessing of peace and prosperity to his reign (see the notes at Deuteronomy 4:6; Deuteronomy 29:9-21).