This book consists of passages in three main sections. In the first section, a summarized translation of Dr. Seyyed Hossein Nasr’s English book entitled “Molana Jalaleddin Rumi, the preeminent Iranian poet and mystic” comes first. The second passage of the first section is a translation of an article by Ms. Annemarie Schimmel entitled “Molana: Yesterday, today and tomorrow.” In this article, Professor Schimmel touches on some specimens of Molana’s teachings and mysticism. The third passage of the first section is an unabridged translation of a book by Dr. William Chittick entitled “An introduction to Molavi’s mysticism” and features a foreword by Dr. Nasr. This book, after the author’s preface, sets out to present a general portrayal of Molana’s mystical teachings and spiritual mindset in four chapters: (1- Sufism and Islam, 2- God and the world, 3- the essence of man, 4- Sufism and practical mysticism). The second section of the book, which forms its core, is entitled “Molana’s spiritual treasury” and it is a selection mainly from masnavi by Juliet Mabey. The third section is the full English text of the book “Molana Jalaleddin Rumi, the preeminent Iranian poet and mystic” by Dr. Seyyed Hossein Nasr.