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.
abudawud:3321Muḥammad b. Yaḥyá > Ḥasan b. al-Rabīʿ > Ibn Idrīs > Ibn Isḥāq > al-Zuhrī > ʿAbd al-Raḥman b. ʿAbdullāh b. Kaʿb from his father

I said: Messenger of Allah, to make my atonement complete I should divest myself of my all property as sadaqah (alms) for Allah and His apostle. He said: No. I said: The half of it. He said: No. I said: Then a third of it. He said: Yes. I said: I shall retain the portion I have at Khaybar.  

أبو داود:٣٣٢١حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى حَدَّثَنَا حَسَنُ بْنُ الرَّبِيعِ حَدَّثَنَا ابْنُ إِدْرِيسَ قَالَ قَالَ ابْنُ إِسْحَاقَ حَدَّثَنِي الزُّهْرِيُّ عَنْ عَبْدِ الرَّحْمَنِ بْنِ عَبْدِ اللَّهِ بْنِ كَعْبٍ عَنْ أَبِيهِ عَنْ جَدِّهِ فِي قِصَّتِهِ قَالَ

قُلْتُ يَا رَسُولَ اللَّهِ إِنَّ مِنْ تَوْبَتِي إِلَى اللَّهِ أَنْ أَخْرُجَ مِنْ مَالِي كُلِّهِ إِلَى اللَّهِ وَإِلَى رَسُولِهِ صَدَقَةً قَالَ لاَ قُلْتُ فَنِصْفَهُ قَالَ لاَ قُلْتُ فَثُلُثَهُ قَالَ نَعَمْ قُلْتُ فَإِنِّي سَأُمْسِكُ سَهْمِي مِنْ خَيْبَرَ