Sunan an-Nasa'i, Volume 5, Book 44, Hadith 4697 (DarusSalam) ⓘ
It was narrated from Abu Hurairah that the Messenger of Allah said: "The best of you is the one who is best in repaying."
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، عَنْ وَكِيعٍ، قَالَ حَدَّثَنِي عَلِيُّ بْنُ صَالِحٍ، عَنْ سَلَمَةَ بْنِ كُهَيْلٍ، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ " خِيَارُكُمْ أَحْسَنُكُمْ قَضَاءً " .
also referenced under: Hadith 4693 (Reference) & Book 44, Hadith 245 (In-Book)