Al-Kāfi
Hadith 13272ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ عَنْ عُثْمَانَ بْنِ عِيسَى عَنْ سَمَاعَةَ قَالَ سَمِعْتُ أَبَا عَبْدِ الله (عَلَيهِ السَّلام) يَقُولُ أَيُّمَا مُؤْمِنٍ مَشَى فِي حَاجَةِ أَخِيهِ فَلَمْ يُنَاصِحْهُ فَقَدْ خَانَ الله وَرَسُولَهُ.
2. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from ‘Uthman ibn ‘Isa from Sama’a who has said the following: “I heard Abu ‘Abdillah (a.s.) saying, ‘Any believer who works to help his brother (in belief) but is not sincere enough has breached his trust with Allah and the Messenger of Allah.’”