From this we learn that conversion according to Islam means a thorough transformation of the person and not just a change of religion in the everyday sense.
There is a formal method of religious conversion
ancient Madinah there was the case of about three hundred people having become Muslims by reciting the Islamic creed. To all intents and purposes, they even said their prayers, and fasted, but they did all this
pronouncements. They claimed allegiance to Islam by word of mouth but as regards the state of their hearts, the Islamic spirit was lacking. The Quran branded the ‘Islam’ of such people as a falsity:
When the