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:3632 – Isḥāq b. Ibrāhīm > Wakīʿ > Hishām b. ʿUrwah from his father > Saʿd

"O Messenger of Allah, shall I bequeath all of my wealth?" He said: "No." He said: "Half?" He said: "No." He said: "One-third?" He said: "One-third, and one-third is much or large."  

النسائي:٣٦٣٢ – أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا وَكِيعٌ قَالَ حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ عَنْ أَبِيهِ عَنْ سَعْدٍ

أَنَّ النَّبِيَّ ﷺ عَادَهُ فِي مَرَضِهِ فَقَالَ يَا رَسُولَ اللَّهِ أُوصِي بِمَالِي كُلِّهِ قَالَ لاَ قَالَ فَالشَّطْرَ قَالَ لاَ قَالَ فَالثُّلُثَ قَالَ الثُّلُثَ وَالثُّلُثُ كَثِيرٌ أَوْ كَبِيرٌ  

See similar narrations below:

Collected by Aḥmad, Nasāʾī's Kubrá
ahmad:1479 – Wakīʿ > Hishām from his father > Saʿd

"O Messenger of Allah, shall I bequeath all of my wealth?" He said: "No." He said: "Half?" He said: "No." He said: "One-third?" He said: "One-third, and one-third is much or large." (Using translation from Nasāʾī 3632)   

أحمد:١٤٧٩ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا هِشَامٌ عَنْ أَبِيهِ عَنْ سَعْدٍ

أَنَّ النَّبِيَّ ﷺ دَخَلَ عَلَيْهِ يَعُودُهُ وَهُوَ مَرِيضٌ فَقَالَ يَا رَسُولَ اللهِ أَلا أُوصِي بِمَالِي كُلِّهِ؟ قَالَ لَا قَالَ فَبِالشَّطْرِ؟ قَالَ لَا قَالَ فَبِالثُّلُثِ؟ قَالَ الثُّلُثُ وَالثُّلُثُ كَبِيرٌ أَوْ كَثِيرٌ  

nasai-kubra:6426 – Isḥāq b. Ibrāhīm > Wakīʿ > Hishām b. ʿUrwah from his father > Saʿd

"O Messenger of Allah, shall I bequeath all of my wealth?" He said: "No." He said: "Half?" He said: "No." He said: "One-third?" He said: "One-third, and one-third is much or large." (Using translation from Nasāʾī 3632)  

الكبرى للنسائي:٦٤٢٦ – أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا وَكِيعٌ قَالَ حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ عَنْ أَبِيهِ عَنْ سَعْدٍ

أَنَّ النَّبِيَّ ﷺ عَادَهُ فِي مَرَضِهِ قَالَ يَا رَسُولَ اللهِ أُوصِي بِمَالِي كُلِّهِ؟ قَالَ «لَا» قَالَ فَالشَّطْرُ؟ قَالَ «لَا» قَالَ فَالثُّلُثُ؟ قَالَ «الثُّلُثُ والثُّلُثُ كَثِيرٌ أَوْ كَبِيرٌ»