In Jalaluddin Rumi's Masnavi, the dialogue between the Roman envoy and Caliph Umar employs a linguistic metaphor to justify the soul's imprisonment in the physical body. When the envoy questions why the 'pure soul' is bound to 'clay,' Umar observes that the envoy's own inquiry binds abstract 'meaning' into finite 'letters.' Rumi posits that just as humans confine abstract thought into speech for 'benefit' (communication), God binds the soul to the body to facilitate divine manifestation and spiritual utility. This 'benefit' justifies the soul's transition from the 'Whole' to the 'part.' Furthermore, Rumi characterizes this confinement as inherently unstable, noting that 'meaning in poetry' is like a 'sling-stone' that remains beyond absolute control, illustrating the persistent tension between boundless spiritual reality and the limitations of physical form.