Arabic (Original)
وَبِإِسْنَادِهِ قَالَ سَمِعْتُ أَبَا الْقَاسِمِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ خِيَارُكُمْ أَحَاسِنُكُمْ أَخْلَاقًا إِذَا فَقِهُوا.
English Translation
And with his chain of transmission, he said: I heard Abu al-Qasim, peace and blessings be upon him, say: "The best of you are those of the best character, when they have understanding of the religion."