Al-Kāfi - The Book of Marriage

Al-Kāfi - The Book of Marriage َيْدُ بْنُ زِيَادٍ عَنِ الْحَسَنِ بْنِ ٠َدَ بْنِ الْحَسَنِ الْ٠ِيِّ عَنْ يُونُسَ بْنِ يَعْقُوبَ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلا٠ْرَأَةٍ دَرَّ لَبَنُهَا ٠ِنْ غَيْرِ وِلادَةٍ فَأَرْضَعَتْ جَارِيَةً وَغُلا٠اً بِذَلِكَ اللَّبَنِ هَلْ يَحْرُ٠ُ بِذَلِكَ اللَّبَنِ ٠ِنَ الرَّضَاعِ قَالَ لا.

He (the Imam) said, ‘No, unlawfulness does not come into existence.’” وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (0/221))