their shirts [made] of pitch, by virtue of the mastery acquired [over them] by the blackness of dark configurations from the attachments to substances that cast their darkness on them, and their faces are engulfed, by the fire of being vanquished, humiliated and veiled from the pleasure of perfection. Therein lies another mystery which is only unveiled to the folk of the resurrection, those who have witnessed the sending forth and the rising. But God knows best.
