Al Waqi'ah, 47 Ayah
56:47
وَكَانُواْ يَقُولُونَ أَئِذَا مِتۡنَا وَكُنَّا تُرَابٗا وَعِظَٰمًا أَءِنَّا لَمَبۡعُوثُونَ ٤٧
Wa Kānū Yaqūlūna 'A'idhā Mitnā Wa Kunnā Turābāan Wa `Ižāmāan 'A'innā Lamab`ūthūna
And they used to say, "When we die and become dust and bones, are we indeed to be resurrected?