The finest form of dutifulness is maintaining relations with those whom one’s father loved after his death [Muslim]
«إِنَّ مِنْ أَبَرِّ البِّر أَنْ يَصِلَ الرَّجُلُ أَهْلَ وُدَّ أَبِيهِ بَعْدَ أَنْ يُوَلِّيَ» [مسلم]
