The chapter
The shura of six weighed for three days and settled on Dhun-Nurayn. His twelve years split into the tradition's two halves: the decade of ease, in which the openings ran on through Africa's coast and Cyprus fell to Islam's first navy, stipends rose, the Prophet's mosque was expanded in stone; and the final years, in which the age of trials the Prophet ﷺ had foretold arrived on schedule.
His chapter's crown is on every shelf on earth. As the conquests scattered reciters across new garrisons, recitation disputes spread; Hudhayfah returned from the frontier begging: save this ummah before it differs over its Book like those before it. Uthman borrowed Hafsah's sheets, set Zayd's committee to copy them into a single exemplar with agreed spelling, sent a mushaf to each metropolis, and unified the written text of revelation forever (Bukhari 4987). Whoever opens any printed Qur'an today is reading the direct descendant of that decision.
Then the whispering campaign: grievances real and invented, letters forged in his name, and finally armed men from the garrisons around his house in Madinah. What follows is the sunnah's portrait of restraint under siege. He had the Prophet's own promise, "glad tidings of Jannah, with a calamity that will befall you" (Bukhari 3674), and he chose the reading of it that cost him everything: no civil war over his person. He turned away Ali's sons and the companions' swords from his door, reminded the besiegers from his roof that he had equipped the hardship army and bought Rumah's well for them, and was killed at his recitation, an old man of eighty-two, his blood running onto the Book he had unified. The fitnah the Prophet foretold had begun; the Codex records its first casualty as the man who refused to let it begin with him.