Translated from the following parts of
'Ihya' `Ulum al-Din' [The Revival of the Religious Sciences] by imam al ghazali
a)Definitions at the beginning of the book "Kitab sharh `aja'ib al-qalb"
[Book of the Explanation of the Mysteries of the Heart]
b)Section entitled: "The Soldiers of the Heart" in the same book
c)Section entitled: "Shaytan's domination over the heart through whispering [al-waswas]" in the same book
d)Section entitled: "Proofs..." from the book "Kitab riadat al-nafs wa tahdhib al-akhlaq wa mu`alajat amrad al-qalb" [Book of the training of the ego and the disciplining of manners and the healing of the heart's diseases]