Narrated by Sayyiduna Abu Darda’ (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: Shall I not tell you of an action whose rank is greater than prayer, fasting, and charity? The people said: Certainly. He (peace and blessings be upon him) said: Reconciling between people; and creating discord among them destroys (good deeds).
Hadith Referenceالفتح الربانی / كتاب الصلح وأحكام الجرار / 6083
It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: Reconciling between Muslims is a permissible act.
Hadith Referenceالفتح الربانی / كتاب الصلح وأحكام الجرار / 6084