King James Version
Only the LORD give thee wisdom and understanding, and give thee charge concerning Israel, that thou mayest keep the law of the LORD thy God.English Standard Version
Only, may the LORD grant you discretion and understanding, that when he gives you charge over Israel you may keep the law of the LORD your God.New International Version
May the LORD give you discretion and understanding when he puts you in command over Israel, so that you may keep the law of the LORD your God.