English Standard Version
This Book of the Law shall not depart from your mouth, but you shall meditate on it day and night, so that you may be careful to do according to all that is written in it. For then you will make your way prosperous, and then you will have good success.New International Version
Do not let this Book of the Law depart from your mouth; meditate on it day and night, so that you may be careful to do everything written in it. Then you will be prosperous and successful.Catholic Public Domain Version
The book of this law shall not depart from your mouth. Instead, you shall meditate upon it, day and night, so that you may observe and do all the things that are written in it. Then you shall direct your way and understand it