‘Ikramah reported: Umar ibn Al-Khattab, may Allah be pleased with him, said, “The one who reconciles is not the one who maintains relations with those who are good to him, for that is merely reciprocation. Rather, the one who reconciles is one who maintains relations with those who cut him off.”
Source: Shu’ab al-Imān 7467
عَنْ عِكْرِمَةَ قَالَ قَالَ عُمَرُ بْنُ الْخَطَّابِ لَيْسَ الْوَصْلُ أَنْ تَصِلَ مَنْ وَصَلَكَ ذَلِكَ الْقِصَاصُ وَلَكِنَّ الْوَصْلَ أَنْ تَصِلَ مَنْ قَطَعَكَ
7467 شعب الإيمان للبيهقي السادس والخمسون من شعب الإيمان