M5:1259 — وصف پاکی وقف بر نور مه‌است / تابشش گر بر نجاسات ره‌است

This beyt appears within a story where a lover is recounting his many sacrifices for his beloved, only to be told that he has missed the 'essence' of love, which is 'dying to self' (fana). The lover immediately dies, smiling, demonstrating this ultimate self-effacement. Rumi then uses the analogy of the moon's light to explain the nature of this pure, essential being that has transcended the physical. Just as the moonbeam, by its inherent nature, remains undefiled even when it shines upon impurities, so too does the soul that has achieved true purity and union with the divine. Its essence is untouched by the transient defilements of the world. This reinforces the idea that the lover's 'death' was not an end but a purification, allowing his essence to return to its source, unblemished by worldly attachments or deeds, much like the light returning to the moon.