In Farid al-Din Attar's Elahi Nameh, the tale of the Christian convert and Sheikh Bayazid Bastami illustrates the key Sufi theme of spiritual vulnerability and fear of the final outcome (khawf al-khatimah).

When the convert tears his zunnar (girdle) to embrace Islam, Bayazid weeps instead of rejoicing. He explains that if a man can be guided and have seventy years of loss turned to spiritual gain in a single moment, the reverse is also possible: a lifelong mystic could suddenly fall into spiritual ruin or have the zunnar of infidelity bound around their waist.

This narrative highlights several core mystical concepts:

• Absolute Dependence on Divine Grace: Salvation and spiritual guidance are entirely determined by divine favor (tawfiq) rather than personal merit, ascetic effort, or decades of devotion.
• Spiritual Insecurity and Humility: Even the greatest spiritual masters must remain humble and vigilant, recognizing that they are never safe from divine tria...