عنوان مقاله [English]
Expansion of breast (Inshirah) is an intermediary for regulating how to communicate with people. It is influenced by epistemological insights and mystical authorities. Explanation of Inshirah, the relationship between breast at Perceptual powers and Epistemological principles of Inshirah and its relationship with mystical authorities focusing on the views of Avicenna and Mulla Sadra are the main questions of this research. Examining the role of Inshirah in the development of art and vice versa, the role of art in the development of chaste love and Inshirah are other questions of this research. According to both sages, the breast is the very imaginative faculty. Inshirah has a hierarchy and its initial stage begins with the removal of grudges and reaches the lowest level of Inshirah is related to some middle- stage including solitude, Intoxication and sorrow, and its final stage is at the end of the third journey and the intuition of the truth in the people that Avicenna interprets it as the breadth of power and Mulla Sadra as Inshirah. Mulla Sadra introduces the perfection of Inshirah as a necessity for helping people on the fourth journey. According to both philosophers, learning the sciences and arts is one of the factors for the delicacy of nature and the expression of chaste love, and chaste love is the path to true love and the source of the refinement of the soul. According to Transcendent Philosophy, chaste love is the source of Inshirah and facilitates the teaching of sciences and arts.