Translation of the verse 29 from Surah Al-Mulk : Number of verses 30 - - page 564 - Part 29.
Say: "He is the Most Beneficent (Allah), in Him we believe, and in Him we put our trust. So you will come to know who is it that is in manifest error."
Say, "He is the Most Merciful; we have believed in Him, and upon Him we have relied. And you will [come to] know who it is that is in clear error."
(67:29) Say to them: 'He is Merciful, and it is in Him that we believe, and it is in Him that we put all our trust. *39 Soon will you know who is in manifest error.'
*39) That is, "We have believed in God, and you are denying Him; we have put our trust in Him, and you have put your trust in yourself, your own resources and false deities besides Allah; therefore, only we deserve to be shown mercy by Allah, not you".