Surah Al-Waqi'ah (56:47)

وَكَانُوا۟ يَقُولُونَ أَئِذَا مِتْنَا وَكُنَّا تُرَابًا وَعِظَٰمًا أَءِنَّا لَمَبْعُوثُونَ

And they used to say, “Is it that when we have died and become dust and bones, shall we indeed be ones resurrected?”