If they listen and obey, they will fill their days with goodness and complete their years in glory
Other versions
King James Version
If they obey and serve him, they shall spend their days in prosperity, and their years in pleasures.English Standard Version
If they listen and serve him, they complete their days in prosperity, and their years in pleasantness.New International Version
If they obey and serve him, they will spend the rest of their days in prosperity and their years in contentment.