This is the central work of the text. Ibn Rajab meticulously explains that true Tawhid (monotheism) is not just believing in one God, but fleeing from hidden shirk: riya (showing off), arrogance, and love of worldly status.
(Javanese language written in Arabic script), the book is highly regarded in Indonesian kitab fafirru ilallah pdf work
The phrase 'Fafirru Ilallah' and its Quranic roots are explored in depth at , highlighting the urgency of repentance. This is the central work of the text