Sūrah Ash-Shams The Sun
الشمس
Al-Qurṭubī derives from this surah's purification of the self the fiqh and uṣūl question of whether akhlāq (ethical character) can generate legal obligations, and how internal states relate to external legal validity.
Al-Qurṭubī derives from verses 9-10 "he has succeeded who purifies it (the nafs) and he has failed who corrupts it" the highest expression of moral success in the Qurʾān. He then poses the uṣūl question: if internal character (purification of the nafs) is the ultimate success criterion, does Islamic law require internal purity as a legal condition for worship validity? The answer across all schools is no external conditions (ṭahārah, time, qiblah) are the legal conditions; internal purity is the spiritual excellence above the legal minimum.
Al-Qurṭubī maps the relationship carefully: a prayer performed with all external conditions met but with distracted heart (without ḥuḍūr al-qalb) is legally valid it discharges the farḍ obligation. But it lacks spiritual excellence. A prayer with both external conditions and internal presence is legally valid AND spiritually excellent the ideal. The law governs the ẓāhir; the nafs-purification verse speaks to the spiritual ideal beyond legal compliance. This distinction protects worshippers from impossible standards while maintaining the aspiration for excellence.
- Islamic law primarily governs the ẓāhir (outward acts) internal character is the spiritual aspiration, not the legal condition for most acts of worship.
- External conditions met without internal presence: legally valid (farḍ discharged), spiritually deficient both dimensions matter but at different levels.
- Ḥuḍūr al-qalb (presence of heart) is a legal condition only at extreme thresholds (prayer while completely unconscious or incomprehending) below that threshold, it is spiritual excellence.
- Akhlāq (ethical character) generates legal obligations when externally manifested kibr that leads to injustice is legally actionable; internal kibr alone is spiritually blameworthy but not legally punishable.
- The verse's aspiration for nafs-purification (tazkiyah) is the highest Qurʾānic goal it frames all legal compliance as a minimum, not the ceiling of Islamic practice.