#TheDangerofTakfir Al-Imam ash-Shawkani said: “Judging that a Muslim has left Islam and entered into kufr is something that is not fitting for a Muslim who believes in Allah and the Last Day except with a proof (burhan) which is clearer than the daytime sun, since it is established in the authentic hadith reported by a group of Companions that he who says to his brother ‘O kafir!’ Then it returns back to one of them.” In ano