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.
bayhaqi:12574Abū ʿAbdullāh al-Ḥāfiẓ And ʾAbū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās > al-Aṣam > Muḥammad b. ʿUbaydullāh b. al-Munādī > Yūnus b. Muḥammad > Shaybān > Qatādah > Dhukir Lanā > Abū Bakr ؓ Awṣá Bikhums Mālih

[Machine] And he said, "I am not satisfied with my wealth unless it is what Allah is pleased with from the spoils of the Muslims." And Qatadah said, "It was known that one-fifth is customary, and a quarter is acceptable effort, and a third is allowed by the judges."  

البيهقي:١٢٥٧٤أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو قَالَا ثنا أَبُو الْعَبَّاسِ هُوَ الْأَصَمُّ ثنا مُحَمَّدُ بْنُ عُبَيْدِ اللهِ بْنِ الْمُنَادِي ثنا يُونُسُ بْنُ مُحَمَّدٍ ثنا شَيْبَانُ عَنْ قَتَادَةَ قَالَ ذُكِرَ لَنَا أَنَّ أَبَا بَكْرٍ ؓ أَوْصَى بِخُمْسِ مَالِهِ

وَقَالَ لَا أَرْضَى مِنْ مَالِي إِلَّا بِمَا رَضِيَ اللهُ بِهِ مِنْ غَنَائِمِ الْمُسْلِمِينَ وَقَالَ قَتَادَةُ وَكَانَ يُقَالُ الْخُمُسُ مَعْرُوفٌ وَالرُّبُعُ جُهْدٌ وَالثُّلُثُ يُجِيزُهُ الْقُضَاةُ