A recurring theme in Attar's Mokhtar Nameh is the philosophical concept of 'Carpe Diem'—seizing the present moment and prioritizing current joy over past regrets. Attar frequently employs the ephemeral imagery of spring, such as the blooming rose and the morning dew of Nowruz, to symbolize the fleeting nature of life. By explicitly urging the reader to 'be happy' and discard thoughts of 'yesterday' (the irrecoverable past), Attar connects the transient beauty of the natural world with an imperative to fully experience the present.