Seventh: He has informed us that His mercy embraces all things and that He has “prescribed mercy for Himself” (1). He also said, “My mercy outstrips My wrath” (2) and “My mercy overcomes My wrath.” (3) These are universal, unrestricted declarations; were one to suppose a punishment with no end whatsoever, there would be no mercy at all.
Eighth: Together with His all-encompassing mercy it is also established that He is All-Wise, and the Wise One brings creation into being only for His overarching wisdom, as He has mentioned His wisdom in many places ⦗10-A⦘. Accordingly, if He punishes certain people for a wise purpose, this is entirely possible. In the present world the legal penalties He has legislated embody wisdom, and the calamities He decrees contain great wisdom as well: they cleanse sins, refine souls, and deter the perpetrator and others in the future—lessons for all. Paradise is pure, and only the pure may enter it. Hence the authentic ḥadīth states: “After they have been delivered from the ṣirāṭ (the Bridge), they will be detained on a small bridge between Paradise and Hell; when they have been purified and refined, they will be granted permission to enter Paradise.” (4)
The wicked, unjust souls (5) that would return to this world before being chastised for the habits they were forbidden to practice are unfit to dwell in the Abode of Peace, which admits no falsehood, injustice, or evil. When they are punished in the Fire with a chastisement that cleanses their souls of that evil, this conforms to wisdom just as