And thou shall not go aside from any of the words which I command thee this day,.... Depart from them as a rule to walk by, turn out from them as a path to walk in, neglect and disobey them, and go into practices contrary to them: turning to the right hand or to the left, to go after other gods to serve them; which to do was to break the first and principal table of the law, than which nothing was more abominable and provoking to God.