This book is a significant treatise composed by the outstanding Iranian scholar khajeh Nasir Tousi.
It is written on celibacy of soul and reviving it after death. The author wrote the book for his student students “Mo ayaed al Din” (engineer and astronomer) who helped khajeh in building “Maraqeh observatory”.
The author
Muhammad Ibn Muhammad Tusi, outstanding scholar, known as “Nasir al-Din”, “Khajeh Tusi”, “The master of man”, “the 11th intellect” and “The 3rd master” (1201 - 1247), Mashhad – Iran.
He was an astronomer and Shia politician, in 1256 lured the assassin leader Rukn al-Din Khurshah into the hands of the Ilkhan Hulegu, accompanied the latter to Baghdad and founded the observatory of Maragha.
He had a strong sympathy with the Twelver Shia, to him a certain degree of mercy was shown during the Mongol holocaust and whose sanctuaries were spared. He wrote on dogmatics, logic and philosophy, law and belles – lettres, and above all on the sciences, in particular on astronomy.
Khajeh Nasir was fully versed at all the common sciences of his own time: theology, philosophy, mathematics, astronomy and literature.
He also wrote some poems in Arabic and Persian. He followed the Peripatetic philosophers (pshilosophers who follow Aristotle) and his own philosophy was based on Avicenna’s.
His masters:
1- Muhammad Ibn Hasan Tusi “his father” (in transmitted sciences)
2- Ibn Meytham Bahrani
3- Muhaghegh Helli
4- Qutb al-Din Mesri
5- Farid al-Din Damad
Students:
1- Qutb al-Din Shirazi
2- Allameh Helli
3- Ibn Fuwati
4- Ibn Heytham Bahrani
5- Seyyed Rukn al-Din Astar Abaadi, etc.
Works:
70 works in Arbaic and Persian have been attributed to him but it is doubtfull that some of them to be written by Khajeh Nasir. The following list are some of his works:
1- Abstraction of beliefs (on theology)
2- Explanation of the book “Isharat” (written by Avicenna, on philosophy)
3- The rules of beliefs (on the principles of beliefs)
4- The Tusi ethics (on ethics and the practical philosophy)
5- The beginning and the end (on the creation and resurrection, in Persian)
6- Almagest (on mathematics)
7- Euclid (on geometry)
8- Abstraction of logic
9- The base of extraction (on logic, in Persian)
10- The Ilkhani astronomical tables (on astronomy)
11- The rules of discussions
12- the 20 sections on the knowledge of astrolabe
The book structure
The book includes the following topics:
- Celibacy of soul
-The creator of soul
- Reviving the soul after death
In this version, explanation of the commentator (of the book)” Abu Abdullah Zanjani” is also mentioned including the following sections:
1- khajeh Nasirs life
2-Life of the commentator (Abu Abdullah zanjani)
3-The preface (composed by the commentator): an explanation on the book / Greek philosophers views on soul- the view of Plato –the view of Aristotle
- The view of Muslim philosophers on soul
-Europeans view on soul
-Europeans view on life
- The talking soul
- On brain
- On cerebellum
- On cerebrum
-The outward and the inward senses the book first was published in 1945.