Al-Kāfi
Hadith 21725ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ عَلِيِّ بْنِ حَسَّانَ عَنْ مُوسَى بْنِ بَكْرٍ عَنْ أَبِي الْحَسَنِ (عَلَيهِ السَّلام) قَالَ التَّوَدُّدُ إِلَى النَّاسِ نِصْفُ الْعَقْلِ.
5. A number of our people have narrated from Sahl ibn Ziyad from Ali ibn Hassan from Musa ibn Bakr from abu al-Hassan (a.s.) who has said the following: “Showing that one loves people is one half (the power) of reason.”