بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ
In the name of Allah, the All-Beneficent, the All-Merciful
ن ۚ وَالْقَلَمِ وَمَا يَسْطُرُونَ
Nun. By the Pen and what they write:
مَا أَنتَ بِنِعْمَةِ رَبِّكَ بِمَجْنُونٍ
by your Lord’s blessing, you are not, crazy,
وَإِنَّ لَكَ لَأَجْرًا غَيْرَ مَمْنُونٍ
and yours indeed will be an everlasting reward,
وَإِنَّكَ لَعَلَىٰ خُلُقٍ عَظِيمٍ
and indeed you possess a great character.
فَسَتُبْصِرُ وَيُبْصِرُونَ
You will see and they will see,
بِأَييِّكُمُ الْمَفْتُونُ
which one of you is crazy.
إِنَّ رَبَّكَ هُوَ أَعْلَمُ بِمَن ضَلَّ عَن سَبِيلِهِ وَهُوَ أَعْلَمُ بِالْمُهْتَدِينَ
Indeed your Lord knows best those who stray from His way, and He knows best those who are guided.
فَلَا تُطِعِ الْمُكَذِّبِينَ
So do not obey the deniers,
وَدُّوا لَوْ تُدْهِنُ فَيُدْهِنُونَ
who are eager that you should be flexible, so that they [too] may be flexible [towards you].
وَلَا تُطِعْ كُلَّ حَلَّافٍ مَّهِينٍ
And do not obey any vile swearer,
هَمَّازٍ مَّشَّاءٍ بِنَمِيمٍ
scandal-monger, talebearer,
مَّنَّاعٍ لِّلْخَيْرِ مُعْتَدٍ أَثِيمٍ
hinderer of all good, sinful transgressor,
عُتُلٍّ بَعْدَ ذَٰلِكَ زَنِيمٍ
callous and, on top of that, baseborn
أَن كَانَ ذَا مَالٍ وَبَنِينَ
—[who behaves in such a manner only] because he has wealth and children.
إِذَا تُتْلَىٰ عَلَيْهِ آيَاتُنَا قَالَ أَسَاطِيرُ الْأَوَّلِينَ
When Our signs are recited to him, he says, ‘Myths of the ancients!’
سَنَسِمُهُ عَلَى الْخُرْطُومِ
Soon We shall brand him on his snout.
English translation: Ali Quli Qarai
Triangulating Ṭabarsī (Majmaʿ al-Bayān), al-Ṭūsī (al-Tibyān), al-Ṭabāṭabāʾī (al-Mīzān) — all Arabic, my translation — with the narration-collections al-Burhān (al-Baḥrānī) and Tafsīr al-Qummī, and the published Enlightening Commentary.
The sūra opens by swearing "Nūn, by the pen and what they inscribe" and answering the oath with consolation: "you are not, by the grace of your Lord, mad," but possessed of "an unfailing reward" and "a great character." It then turns the charge back on the accusers — which of you is the truly demented? — forbids the Prophet to soften toward the deniers, and arraigns a contemptible opponent in nine withering epithets, closing with the threat "We will brand him on the snout."
The oath and "Nūn." All the commentators canvass the same spread of meanings for the isolated letter. Ṭabarsī and al-Ṭūsī list: a name of the sūra (which al-Ṭūsī judges strongest), the great fish/whale, the inkwell, a "tablet of light," or the river in Paradise that froze into ink. Al-Mīzān refers the disjoined letters back to its treatment in al-Shūrā, and reads the oath itself as an oath by a blessing — the pen and writing being, with speech, among God's greatest gifts ("who taught by the pen," 96:4) — paralleling God's oaths by sun, moon and fig. The river-of-Paradise cosmology that the others mention in passing is, in al-Qummī and al-Burhān, a developed hadith from al-Ṣādiq and al-Bāqir: the Pen taken from the tree al-Khuld, the congealed river of ink, the Pen writing all that will be until the Resurrection and then sealed — "the well-guarded Book from which all transcripts are made." Al-Burhān adds a theologically pointed gloss: when one report says God "planted it with His hand," the narrator interjects that "the hand is power (al-quwwa), not as the anthropomorphists suppose" — an explicit anti-anthropomorphic guard.
Madness, reward, character. On "by the grace of your Lord" the sources converge: al-Mīzān argues the "grace" is prophethood itself, whose proof repels any mental disorder; Ṭabarsī and al-Ṭūsī add his perfect intellect and wisdom, and read the verse as a direct rebuttal of the polytheists' taunt "you are indeed mad" (15:6). On ghayr mamnūn all three derive mamnūn from "cutting" — an unbroken reward — while noting the secondary sense "unmarred by reproach"; al-Mīzān presses the theological point that nothing God gives can carry a "favour-debt," since the servant and his very deeds are God's. On "a great character," al-Mīzān supplies the technical definition (a settled disposition, malaka) and Rāghib's distinction of khalq (visible form) from khuluq (inner trait), and insists the context highlights the Prophet's social virtues — forbearance, pardon, generosity — so that the gloss "character = Islam" (which Ṭabarsī, al-Ṭūsī, and the hadith of al-Bāqir in al-Qummī/al-Burhān report) holds only when referred to that. ʿĀʾisha's report that his character "was the first ten verses of al-Muʾminūn" appears in both Ṭabarsī and al-Ṭūsī; al-Burhān enriches it with narratives of the Prophet's patience — the slave-girl and the thread, the bedouin who yanked his cloak — and al-Ṣādiq's gloss "generosity and good character."
Two readings of the opponent. For fa-lā tuṭiʿ al-mukadhdhibīn and the nine vices, the mainstream sources name a historical antagonist: Ṭabarsī, al-Ṭūsī and al-Mīzān identify the ḥallāf mahīn as al-Walīd b. al-Mughīra (or al-Akhnas b. Shurayq, or al-Aswad b. ʿAbd Yaghūth), and quote Ibn Qutayba that no one's faults are catalogued in the Qurʾān as his are. The two narration-collections read the passage through a sharply Shīʿī lens: al-Qummī and al-Burhān report — as their own transmitted material — that the whole unit descended over the disparagement of ʿAlī (after the Prophet's exaltation of him, the Meccans said "Muḥammad has been infatuated with his cousin"), that "the guided one" (v. 7) is ʿAlī, that "the good" he withholds (v. 12) is ʿAlī, and that the ḥallāf is "the second"; the ʿAlī–ʿUmar exchange over this verse is given in several chains. Both glosses are recorded here strictly as the sources transmit them, not adjudicated. On sanasimuhu ʿalā al-khurṭūm, Ṭabarsī, al-Ṭūsī and al-Mīzān take the branding as an eschatological mark of disgrace (al-Mīzān: "of the Day of Resurrection, not this world"; with Ibn ʿAbbās's minority "by the sword at Badr"), whereas al-Qummī and al-Burhān place it in al-rajʿa, the Return, when "the Commander of the Faithful brands his enemies as cattle are branded."
Sources present: enlightening_commentary, tabatabai_al_mizan, tabarsi_majma_al_bayan, tusi_al_tibyan, bahrani_al_burhan, qummi. Silent: none.