Humleness and refraction of mighty mighty

The book of humiliation and refraction of the mighty mighty - Ibn Rajab al -Hanbali is of particular importance to Islamic science researchers interested in the topics of asceticism, chips and relevant topics where the book of humiliation and refraction enters the mighty mighty - Ibn Rajab al -Hanbali within the categories of Sufism and austerity books; Which is related to many branches of Islamic knowledge, and the sciences of jurisprudence and belief,