Al-Kāfi
Hadith 23275ـ وَعَنْهُ عَنْ عُثْمَانَ بْنِ عِيسَى عَنْ سَمَاعَةَ قَالَ سَمِعْتُ أَبَا الْحَسَنِ مُوسَى (عَلَيهِ السَّلام) يَقُولُ لا تُذْهِبِ الْحِشْمَةَ بَيْنَكَ وَبَيْنَ أَخِيكَ أَبْقِ مِنْهَا فَإِنَّ ذَهَابَهَا ذَهَابُ الْحَيَاءِ.
5. It is narrated from him (narrator of the Hadith above) from ‘Uthman ibn ‘Isa from Sama’a who has said the following: “I heard abu al-Hassan Musa saying, ‘Keep your decorum intact between yourself and your brother (friend) and preserve it; removal is the elimination of bashfulness.’”