Interpolation and its types in the lyric poems of Feyz Kashani

Mullah Mohsen Feyz Kashani is one of the great Shiite scholars and leaders in the 11th century AH; Despite his fame in writing books of various sciences, he was also able to write poetry. His poetry is full of his intellectual and doctrinal thoughts which are mixed with the spice of mysticism and knowledge. What stands out most in Feyz's poetry is his masterful use of the poems and intellectual themes of famous poets and masters of style before him, including Rumi and Hafez; Which has added to the prosperity and richness of his poetry. Therefore, in this study, which has been done with the aim of better understanding the poetry of Feyz Kashani, an attempt is made to examine the Interpolation and its types due to the  undeniable importance and role they play in capturing and influencing the words of Feyz; The result indicates that the poems of Feyz, in addition to containing his theological and doctrinal thoughts, are also the intellectual and poetic essence of Hafez and Rumi; Which the poet has used directly and indirectly, and the vague Interpolation of phrase or vocabulary is the dominant Interpolation used in the lyric poems of Feyz, which has led to the creation of lyric poems such as the lyric poems of Hafez and Rumi.