Surah Al-Isra — Ayah 10 (17:10)
وَأَنَّ ٱلَّذِينَ لَا يُؤۡمِنُونَ بِٱلۡأٓخِرَةِ أَعۡتَدۡنَا لَهُمۡ عَذَابًا أَلِيمٗا ١٠
English translation (Saheeh International)
And that those who do not believe in the Hereafter - We have prepared for them a painful punishment.
Brief commentary
It informs those who do not have faith in the Day of Judgment of something that will distress them, which is that I have prepared for them a painful punishment on the Day of Judgement.