Surah Al-Isra 17:8
عَسَىٰ رَبُّكُمْ أَن يَرْحَمَكُمْ ۚ وَإِنْ عُدتُّمْ عُدْنَا ۘ وَجَعَلْنَا جَهَنَّمَ لِلْكَـٰفِرِينَ حَصِيرًا
[Then Allāh said], "It is expected, [if you repent], that your Lord will have mercy upon you. But if you return [to sin], We will return [to punishment]. And We have made Hell, for the disbelievers, a prison-bed."
Translation: Saheeh International
Tafsir
And We said in the Scripture It may be that your Lord will have mercy upon you after the second time if you were to repent; but if you revert to working corruption We too will revert to punishment. …
Excerpt from Tafsir al-Jalalayn, commentary on 17:8, via Quran.com. The reader has the full commentary and 9 more tafsirs.