In Attar's 'Mosibat Nameh', the poem describing the death of Alexander the Great highlights the vanity of worldly power, wealth, and conquest. As death approaches, Alexander requests that his coffin be made with his hands extended outside, open and empty, so that all onlookers may see that even the conqueror of the world departs with absolutely nothing. This allegory serves as a powerful Sufi lesson on the transience of material possessions and the necessity of focusing on the spiritual journey rather than worldly ambition.