A book in English in which Sh. Muhammad Naeem Yaseen confirms that deviation from the truth is the source of all evil. The goodness of all matters is to follow the truth and adhere to its way. The truth is that Allah created all creatures and managed their affairs in a certain manner. Allah is Perfect and exempt from any deficiency or error. This book aims to elucidate the pillars of the Islamic faith and the characteristics of disbelief and its causes.