An Introduction To Criminology

There are people who are either ignorant of the true nature of Sufism or have come to think of it as something extraneous to Islam resulting from borrowings from outside sources. But such doctrines can be understood only from within as a result of a process of assimilation and penetration which go far beyond the realm of discursive thought or scholarship, but such books can be of great value as an introduction to the metaphysical doctrine.