A person who claims to be a Muslim and who has been seen performing salât in jamâ’a must be regarded as Muslim. If, later on, in his speech, writing or behaviour something is seen disagreeing with the knowledge of îmân as conveyed by the ‘ulamâ’ of Ahl as-Sunna, he will be told that this is disbelief or heresy. He will be told to cease from it and repent. If, with his short mind and coarse reasoning, he answers that he will not, it will be understood that he is a heretic or disbeliever. Even if he continues performing salât, performs hajj and does all kinds of worship and good deeds, he will not escape this disaster unless he gives up the things or acts which causes kufr and unless he repents; he will not be a Muslim. By learning well the things that cause disbelief, each Muslim should protect himself from becoming a disbeliever and should know well the disbelievers and those liars who pretend to be Muslims and keep away from their harm.
Rasûlullah (sall-Allâhu ta’âlâ ‘alaihi wa sallam) said in a hadîth-i-sherîf that wrong, false meanings would be extracted from the Qur’ân al-kerîm and hadîth, and thus seventy-two heretical groups would appear. This hadîth sherîf is explained in the books Berîqa and Al-hadîqa, which derived it from the Sahîhain of al-Bukhârî and Muslim. We should not be taken in by the books and lectures of the men of these groups who come forward under such names as ‘great scholar of Islam’ or ‘professor of religion’, and we should be very alert not to fall into the traps of these thieves of faith and belief. Besides those insidious enemies, communists and freemasons, and also Christian missionaries and Jewish zionists try to decieve the Muslim youth through made-up and deceitful articles, motion pictures, theatre, and radio or television broadcasts. They spend millions for this purpose.