Due to the significance of heart in mystical poem, in general, and in Mathnavi Maanavi, in particular, this article attempts to investigate the position and status of heart and probe the challenging question as to which heart deserves accommodation of the position of the Real. To this end, initially, the lexical origin and behavior of "heart" as well as its reason of appellation is provided and discussed. Then, the unique characteristics of Celestial hearts are presented and the barriers between the heart and the Divine Kingdom are discussed.