In Book 3 of Jalaluddin Rumi's Masnavi, the narrative of Pharaoh marshaling sorcerers to defeat Moses transitions into a profound psychological and mystical lesson. After Pharaoh bestows extravagant gifts upon the sorcerers, they boastfully guarantee victory. However, Rumi interrupts this historical tale to assert that it is not merely a story of the past. He introduces the concept that 'Moses and Pharaoh both dwell within your being,' representing the eternal internal struggle between the divine light of the spirit and the tyrannical ego. Rumi further uses the metaphor of light and glass: the divine light is eternal and singular, while the vessels, or lamps, are diverse. He warns that gazing only upon the 'glass' leads to the illusion of multiplicity and division, whereas focusing on the 'light' frees the seeker from duality, revealing the fundamental unity beyond outward differences such as those between the believer, the Gabr, and the Jew.