Surah Al-Isra 17:49

وَقَالُوٓا۟ أَءِذَا كُنَّا عِظَـٰمًا وَرُفَـٰتًا أَءِنَّا لَمَبْعُوثُونَ خَلْقًا جَدِيدًا

And they say, "When we are bones and crumbled particles, will we [truly] be resurrected as a new creation?"

Translation: Saheeh International

Tafsir

And they say in denial of the Resurrection ‘What when we are bones and fragments shall we really be raised up in a new creation?’

Excerpt from Tafsir al-Jalalayn, commentary on 17:49, via Quran.com. The reader has the full commentary and 9 more tafsirs.