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."
| Sunnah.com reference | : Book 56, Hadith 1 |
| USC-MSA web (English) reference | : Book 56, Hadith 1 |
| Arabic reference | : Book 56, Hadith 1814 |