Deuteronomy 26:17-18

17Today you have [openly] declared the Lord to be your God, and that you will walk [that is, live each and every day] in His ways and keep His statutes, His commandments, and His judgments (precepts), and listen to His voice.

18Today the Lord has declared that you are His people, His treasured possession, just as He promised you, and that you are to keep all His commandments;