Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:996 – Muḥammad b. Bashhār > ʿAbd al-Raḥman > Zāʾidah > Manṣūr > Hilāl b. Yisāf > Rabīʿ b. Khuthaym > ʿAmr b. Maymūn > Ibn Abū Laylá > Āmraʾah > Abū Ayyūb

The Prophet ﷺ said: "Say: He is Allah, (the) One" is one-third of the Quran."  

النسائي:٩٩٦ – أَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ قَالَ حَدَّثَنَا زَائِدَةُ عَنْ مَنْصُورٍ عَنْ هِلاَلِ بْنِ يِسَافٍ عَنْ رَبِيعِ بْنِ خُثَيْمٍ عَنْ عَمْرِو بْنِ مَيْمُونٍ عَنِ ابْنِ أَبِي لَيْلَى عَنِ امْرَأَةٍ عَنْ أَبِي أَيُّوبَ

عَنِ النَّبِيِّ ﷺ قَالَ { قُلْ هُوَ اللَّهُ أَحَدٌ } ثُلُثُ الْقُرْآنِ قَالَ أَبُو عَبْدِ الرَّحْمَنِ مَا أَعْرِفُ إِسْنَادًا أَطْوَلَ مِنْ هَذَا