Al-Adab Al-Mufrad, Book 2, Hadith 22 (In-Book) ⓘ
'Abdullah ibn 'Amr reported that the Prophet, may Allah bless him and grant him peace, said, "The one who maintains ties of kinship is not the one who reciprocates. The one who maintains ties of kinship is the one who, when his relatives cut him off, maintains ties of kinship."
حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، قَالَ: أَخْبَرَنَا سُفْيَانُ، عَنِ الأَعْمَشِ، وَالْحَسَنِ بْنِ عَمْرٍو، وَفِطْرٍ، عَنْ مُجَاهِدٍ، عَنْ عَبْدِ اللهِ بْنِ عَمْرٍو قَالَ سُفْيَانُ لَمْ يَرْفَعْهُ الأَعْمَشُ إِلَى النَّبِيِّ صلى الله عليه وسلم، وَرَفَعَهُ الْحَسَنُ وَفِطْرٌ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ: لَيْسَ الْوَاصِلُ بِالْمُكَافِئِ، وَلَكِنَّ الْوَاصِلَ الَّذِي إِذَا قُطِعَتْ رَحِمُهُ وَصَلَهَا.
also referenced under: Hadith 68 (Reference) & Book 2, Hadith 68 (English)