وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، أَنَّهُ كَانَ يَقُولُ الْقَصْدُ وَالْتُّؤَدَةُ وَحُسْنُ السَّمْتِ جُزْءٌ مِنْ خَمْسَةٍ وَعِشْرِينَ جُزْءًا مِنَ النُّبُوَّةِ ‏.‏

Yahya related to me from Malik that he had heard that Abdullahibn Abbas said, "Equanimity, gentleness, and good behaviour are onetwenty-fifth of prophecy." Translation Not Available

Book Ref: Muwatta Imam Malik Book 51 Hadith 1749
Web Ref:  Muwatta Imam Malik Book 51 Hadith 16