In the Qur'an, Allah reveals the machinations of the hypocrites, unveils their beliefs and their qualities, and makes their goals clear so that the believers can be aware of them. He divides mankind into three groups at the beginning of Surat al-Baqarah: the believers, the disbelievers andthe hypocrite. He mentions four verses concerning the believers, two verses concerning the disbelievers, and thirteen verses concerning the hypocrites due to their plenitude and the great harm and tribulation they bring to Islam and the Muslims. The harm they cause to Islam is truly severe for they claim to be Muslims and to aid and support Islam, whereas in reality they are its enemies seeking to destroy it from within, covertly spreading their corruption and ignorance such that the unwary thinks that what they are upon is knowledge and right action. The title of the book is self-explanatory.