In the process, he proceeds from macrocosm to microcosm and back; for just as the heart of the individual is the locus of God's reflection in the person, His prophets are as Heart to the Body of the cosmos, in their function of revealing the divine presence and word. ABSTRACT In the encyclopedic poetry of one of Islam's most prominent mystics, Jalal ad-Din Rumi (1207-73), one can discover a great deal about the main lines of classical Islamic cosmology and psychology.