ویژگی‌های سرّ در کشف‌المحجوب و مطابقت آن با ‌متون منثور صوفیه

The "Inner Heart" is a common term among Sofia that is the place of observing and one of the best existential subtleties of the  human being.. In the mystical texts, in addition to explain the different descriptions for the “Inner Heart”, it sometimes known as equivalent to “heart” or “spirit” and also with the term “Mystery” (Rāz), while Rāz is a position beyond the spirit and soul. In this article we try to survey the limits of In this article we try to survey the Of the Inner heart according to Kashf al-mahjoob and study its differences with other subtleties, and exhibit the comments that authors of prose mystical books have offered in definition and use of this word from beginning to eight AH century; and finally express the characteristics of Inner heart and compare and match it with other prose mystical works.