The Greatest Secret is a book by Dr. Mustafa Mahmoud in which he discusses many Sufi philosophical ideas, through quotations from poetic verses and writings by the pioneers of this philosophical Sufism, such as Ibn Arabi, Abu al-Aza'im, and other great figures of this school.

It is an enjoyable journey into the Sufi heritage, from which the reader learns rich information about many matters such as union, incarnation, manifestation, the theory of witnessing, arduous spiritual exercises, asceticism, and other Sufi philosophical ideas and beliefs. The book is a journey into the depths of the Sufi heritage, mentioning its pros and cons.

Excerpts from the book:

• “Ibn Arabi says: I advise you not to despise anyone or anything of God's creation, for God did not despise it when He created it.”
• “The inability to grasp perception is perception itself. Meaning, if you are unable, completely bewildered, and realize you are ignorant, then you have learned.”
• “Abu al-Aza'im says: The happy one among creation is he who knows the wisdom of his existence and the secret of his sustenance.”

Book Details:

• Author: Mustafa Mahmoud
• Publisher: Maktabat Misr-Cairo
• Edition Number: 1
• Year of Publication: 2014
• Number of Parts: 1
• Number of Pages: 159
• Binding Type: Paperback
• Paper Type: White
• Printing Colors: Single Color
• ISBN: 9789771117674