Quran 7:6 from Surah Al-A'raaf on Divine Marvels.
فَلَنَسۡـَٔلَنَّ ٱلَّذِينَ أُرۡسِلَ إِلَيۡهِمۡ وَلَنَسۡـَٔلَنَّ ٱلۡمُرۡسَلِينَ
English translation: Then surely We will question those (to) whom were sent to them (Messengers) and surely We will question the Messengers
Transliteration: falanasalanna alladhina ur'sila ilayhim walanasalanna al-mur'salina