The Holy Quran 91:9 — Surah Ash-Shams

Arabic text

قَدْ أَفْلَحَ مَن زَكَّىٰهَا

Translation

Undoubtedly, the one who purified it (the soul from kufr, Shirk and all spiritual diseases) has succeeded...

Tafsir (excerpt) — Tafsir Usmani

Purifying the soul is success itself: that is, to reform and purify the soul means to subordinate the faculty of desire and the faculty of anger to reason, and to make reason obedient to the divine shariah, so that both the spirit and the heart are illuminated by the light of the divine manifestation.

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