(Al-Vaqia) 56 : 47
وَكَانُوا يَقُولُونَ أَئِذَا مِتْنَا وَكُنَّا تُرَابًا وَعِظَامًا أَإِنَّا لَمَبْعُوثُونَ
And they were asking: When we are dead and are turned to dust and bone, would we be indeed resurrected?