The chapter
Between Isa and the final Prophet stretch nearly six centuries the tradition calls the fatrah, the interval. By its end, the House that Ibrahim raised for pure tawhid stood ringed with three hundred and sixty idols.
The corruption had a documented author. The Prophet ﷺ said: "I saw Amr ibn Luhayy al-Khuza'i dragging his intestines in the Fire, he was the first to change the religion of Isma'il," the first to install the idols and institute the pagan dedications of livestock. One man's innovation, unopposed, became a civilization's religion. Hubal stood over the Kaaba's well; al-Lat at Ta'if; al-Uzza at Nakhlah; Manat by the sea road, the three the Qur'an would later name and dismiss in two verses: "They are nothing but names you and your fathers have named, Allah sent down no authority for them."
Jahiliyya was not mere idolatry; it was a moral ecology. The strong ate the weak; usury compounded on the desperate; wine and maysir gambling structured social life; tribal vengeance ran on, blood-debt upon blood-debt, through generations; and some of the "noblest" households buried infant daughters alive, the crime the Qur'an appointed as a witness for the Last Day: "When the buried girl is asked for what sin she was killed."
Yet the picture was not uniformly dark, and the Codex records the remnants honestly: the Hajj continued, distorted, but continuous from Ibrahim; the sanctuary months were still held sacred; hospitality and covenant-keeping were genuine virtues; and a scattering of hunafa', seekers like Zayd ibn Amr and Waraqah ibn Nawfal, refused the idols and searched for the religion of Ibrahim. The Prophet ﷺ described the world of that hour: "Allah looked at the people of the earth and detested them, Arabs and non-Arabs alike, except remnants of the People of the Book."
This is the stage onto which the Seerah opens: a fallen sanctuary, a moral vacuum, a language sharpened to its highest pitch by poetry, and a people no empire wanted, chosen to carry the final message. The deeper the darkness of this node, the more precisely every following node reads as light.