Al-Waqi'ah 56:47

وَكَانُواْ يَقُولُونَ أَئِذَا مِتۡنَا وَكُنَّا تُرَابࣰ ا وَعِظَٰمًا أَءِنَّا لَمَبۡعُوثُونَ۝٤٧

47. And they used to say, "When we die and become dust and bones, are we indeed to be resurrected