Al-Kāfi
Hadith 13294ـ عَنْهُمَا جَمِيعاً عَنْ مُحَمَّدِ بْنِ عَلِيٍّ عَنْ أَبِي جَمِيلَةَ قَالَ سَمِعْتُ أَبَا عَبْدِ الله (عَلَيهِ السَّلام) يَقُولُ مَنْ مَشَى فِي حَاجَةِ أَخِيهِ ثُمَّ لَمْ يُنَاصِحْهُ فِيهَا كَانَ كَمَنْ خَانَ الله وَرَسُولَهُ وَكَانَ الله خَصْمَهُ.
4. It is narrated from both of them from Muhammad ibn Ali from abu Jamilah who has said the following: “I heard Abu ‘Abdillah (a.s.) saying, ‘Whoever walks to help his brother (in belief) but not with enough sincerity is like one who has breached his trust with Allah and the Messenger of Allah, and Allah will be his foe.’”