Muwatta Malik· موطأ مالك
Muwatta Malik 1811
If a man says to his muslim brother, 'O kafir!' it is true about one of them
মুয়াত্তা ইমাম মালিক ১৮১১ · মুয়াত্তা মালিক•Speech
حَدَّثَنِي مَالِكٌ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مَنْ قَالَ لأَخِيهِ يَا كَافِرُ . فَقَدْ بَاءَ بِهَا أَحَدُهُمَا " .
Narrator: Malik
Malik related to me from Abdullah ibn Dinar from Abdullah ibn Umar that the Messenger of Allah, may Allah bless him and grant him peace, said, "If a man says to his muslim brother, 'O kafir!' it is true about one of them- Salim al-HilaliSahih