Al-Kāfi - Volume 2 > Bashfulness
Hadith #5

5ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ مُحَمَّدِ بْنِ عِيسَى عَنِ الْحَسَنِ بْنِ عَلِيِّ بْنِ يَقْطِينٍ عَنِ الْفَضْلِ بْنِ كَثِيرٍ عَمَّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ لا إِيمَانَ لِمَنْ لا حَيَاءَ لَهُ.

5. A number of our people have narrated from Sahl ibn Ziyad from Muhammad ibn ‘Isa from al-Hassan ibn Ali ibn Yaqtin from al-Fadl ibn Kathir from those whom he has mentioned (in his book) from abu ‘Abd Allah (a.s.) who has said the following: “Abu ‘Abd Allah (a.s.) has said, ‘One has no belief if he does not have bashfulness.’”