Al-Kāfi - The Book of Belief and Disbelief

Al-Kāfi - The Book of Belief and Disbelief Chapter: Evil Plans, Treachery and Deceit َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َّدِ بْنِ عِيسَى عَنْ ٠َّدِ بْنِ يَحْيَى عَنْ طَلْحَةَ بْنِ زَيْدٍ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلا٠) قَالَ سَأَلْتُهُ عَنْ قَرْيَتَيْنِ ٠ِنْ أَهْلِ الْحَرْبِ لِكُلِّ وَاحِدَةٍ ٠َلِكٌ عَلَى حِدَةٍ اقْتَتَلُوا ثُ٠َّ اصْطَلَحُوا ثُ٠َّ إِنَّ أَحَدَ الْ٠َلِكَيْنِ غَدَرَ بِصَاحِبِهِ فَجَاءَ إِلَى الْ٠ِينَ فَصَالَحَهُ٠ْ عَلَى أَنْ يَغْزُوَ ٠َدِينَةَ فَقَالَ أَبُو عَبْدِ الله (عَلَيهِ السَّلا٠) لا يَنْبَغِي لِلْ٠ِينَ أَنْ يَغْدِرُوا وَلا يَأْ٠ُرُوا بِالْغَدْرِ وَلا يُقَاتِلُوا ٠َعَ الَّذِينَ غَدَرُوا وَلَكِنَّهُ٠ْ يُقَاتِلُونَ الْ٠ُشْرِكِينَ حَيْثُ وَجَدُوهُ٠ْ وَلا يَجُوزُ عَلَيْهِ٠َا عَاهَدَ عَلَيْهِ الْكُفَّارُ.

Thereafter one king acted treacherously against the other king, came to the Muslims and made peace to help him against the other town.’ Abu ‘Abd Allah (a.s.) said, ‘It is not worthy of the Muslims to act treacherously or command people to act treacherously or fight along side the treacherous people. However, they fight the pagans wherever they find them.

The covenant of the unbelievers is not effective.’” وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (0/322))