Quran 89:25 — Dawn (Al-Fajr)

فَيَومَئِذٍ لا يُعَذِّبُ عَذابَهُ أَحَدٌ

On that day, no retribution could be worse than His retribution.

[89:24] He will say, "Oh, I wish I prepared for my (eternal) life."

[89:26] And no confinement is as effective as His confinement.