Joshua 23:6

23:6 Therefore be you very courageous to keep and to do all that is written in the book of the law of Moses, that you not turn aside from it to the right hand or to the left;
-World English Bible

Other Translation

23:6 Be ye therefore very courageous to keep and to do all that is written in the book of the law of Moses, that ye turn not aside therefrom [to] the right hand or [to] the left;
-King James Version