Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them both) said: Abu Bakr (may Allah be pleased with him) wrote to Amr bin al-As that the Messenger of Allah (peace and blessings be upon him) had said concerning the Ansar: "Accept the good from those of them who do good, and overlook the shortcomings of those of them who do wrong."
Hadith Referenceالمعجم الكبير للطبراني / العشرة / 45