Surah An-Nahl — Ayah 38 (16:38)
وَأَقۡسَمُواْ بِٱللَّهِ جَهۡدَ أَيۡمَٰنِهِمۡ لَا يَبۡعَثُ ٱللَّهُ مَن يَمُوتُۚ بَلَىٰ وَعۡدًا عَلَيۡهِ حَقّٗا وَلَٰكِنَّ أَكۡثَرَ ٱلنَّاسِ لَا يَعۡلَمُونَ ٣٨
English translation (Saheeh International)
And they swear by Allāh their strongest oaths [that] Allāh will not resurrect one who dies. But yes - [it is] a true promise [binding] upon Him, but most of the people do not know.
Brief commentary
These deniers swore their most serious oaths: Allah will not resurrect anyone who dies, without their having any proof of that. Yes indeed, Allah will resurrect everyone who dies, being His binding promise, because the one who brought them to life from non-existence without any precedent is able to bring them back to life after having caused them to die. But most people do not know that Allah will resurrect the dead and they therefore deny the resurrection.