Surah Al-Nahl (The Bees), Verse 89

وَیَوْمَ نَبْعَثُ فِیْ كُلِّ اُمَّةٍ شَهِیْدًا عَلَیْهِمْ مِّنْ اَنْفُسِهِمْ وَجِئْنَا بِكَ شَهِیْدًا عَلٰی هٰۤؤُلَآءِ وَنَزَّلْنَا عَلَیْكَ الْكِتٰبَ تِبْیَانًا لِّكُلِّ شَیْءٍ وَّهُدًی وَّرَحْمَةً وَّبُشْرٰی لِلْمُسْلِمِیْنَ 

Wa yawma nab'asu fee kulli ummmatin shaheedan 'alaihim min anfusihim wa ji'naa bika shaheedan 'alaa haaa'ulaaa'; wa nazzalnaa 'alaikal Kitaaba tibyaanal likulli shai'inw wa hudanw wa rahmatanw wa bushraa lilmuslimeen

“One day We shall raise from all Peoples a witness against them, from amongst themselves: and We shall bring thee as a witness against these (thy people): and We have sent down to thee the Book explaining all things, a Guide, a Mercy, and Glad Tidings to Muslims.”

Quran 16:89 (Yusuf Ali Translation)