It is narrated from Sayyiduna Abdullah bin Ja'far bin Abi Talib (may Allah have mercy on him) that our best caliph was Sayyiduna Abu Bakr (may Allah be pleased with him), who dealt with us with great mercy and kindness.
Hadith Referenceالسنن المأثورة / باب ما جاء في فدية الأذى / 460