Translation of the verse 33 from Surah Muhammad : Number of verses 38 - - page 510 - Part 26.
O you who believe! Obey Allah, and obey the Messenger (Muhammad SAW) and render not vain your deeds.
O you who have believed, obey Allah and obey the Messenger and do not invalidate your deeds.
(47:33) Believers, obey Allah and obey the Messenger and do not cause your works to be nullified. *40
*40) In other words, the deeds' being beneficial and yielding of good results depends wholly on one's obedience to Allah and His Messenger. After one has turned away from obedience, no deed remains a good deed so that one may deserve any reward for it.