Muwatta Malik 1641
موطأ مالك#1641Sahihوَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ سَلَمَةَ بْنِ صَفْوَانَ بْنِ سَلَمَةَ الزُّرَقِيِّ، عَنْ زَيْدِ بْنِ طَلْحَةَ بْنِ رُكَانَةَ، يَرْفَعُهُ إِلَى النَّبِيِّ صلى الله عليه وسلم قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لِكُلِّ دِينٍ خُلُقٌ وَخُلُقُ الإِسْلاَمِ الْحَيَاءُ " .
Yahya related to me from Malik from Salama ibn Safwan ibn Salama az-Zuraqi that Zayd ibn Talha ibn Rukana, who attributed it to the Prophet, may Allah bless him and grant him peace, said, "The Messenger of Allah, may Allah bless him and grant him peace, said, 'Every deen has an innate character. The character of Islam is modesty
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 47:9