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:21682Abū Ḥāzim al-Ḥāfiẓ > Abū al-Faḍl b. Khamīrūwayh > Aḥmad b. Najdah > Saʿīd b. Manṣūr > Sufyān > Ibn Abū Najīḥ > Mujāhid > Jābir

[Machine] And Ali ibn Abi Talib said, "He frees [a slave] according to what he has given [in charity]."  

البيهقي:٢١٦٨٢أَخْبَرَنَا أَبُو حَازِمٍ الْحَافِظُ أنبأ أَبُو الْفَضْلِ بْنُ خَمِيرُوَيْهِ أنبأ أَحْمَدُ بْنُ نَجْدَةَ ثنا سَعِيدُ بْنُ مَنْصُورٍ ثنا سُفْيَانُ عَنِ ابْنِ أَبِي نَجِيحٍ عَنْ مُجَاهِدٍ عَنْ جَابِرِ بْنِ عَبْدِ اللهِ فِي الْمُكَاتَبِينَ قَالَ شُرُوطُهُمْ بَيْنَهُمْ وَقَالَ زَيْدُ بْنُ ثَابِتٍ هُوَ مَمْلُوكٌ مَا بَقِيَ عَلَيْهِ دِرْهَمٌ

وَقَالَ عَلِيُّ بْنُ أَبِي طَالِبٍ ؓ يَعْتِقُ بِقَدْرِ مَا أَدَّى