Surah Al-Hajj — Ayah 7 (22:7)
وَأَنَّ ٱلسَّاعَةَ ءَاتِيَةٞ لَّا رَيۡبَ فِيهَا وَأَنَّ ٱللَّهَ يَبۡعَثُ مَن فِي ٱلۡقُبُورِ ٧
English translation (Saheeh International)
And [that they may know] that the Hour is coming - no doubt about it - and that Allāh will resurrect those in the graves.
Brief commentary
And so that you believe the Hour is to come, without any doubt in its coming, and that Allah will resurrect the dead from their graves to reward them for their actions.