This is the essence of all sciences - that you should know who you will be when the Day of Reckoning arrives.
Jalāl al-Dīn Rūmī (Maulana), Jelaluddin Rumi, Kabir Helminski, Andrew Harvey (2005). “The Rumi Collection: An Anthology of Translations of Mevlâna Jalâluddin Rumi”, p.2, Shambhala Publications
