Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) says regarding: "If they both desire reconciliation, Allah will bring about harmony between them" [Surah al-Nisa: 35]: If the two intend reconciliation, Allah grants them success, meaning those who give the decision (the arbiters).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب القسم والنشوز / 14788