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This work is a section from the Qirtas, a commentary of the Ratib ul-Attas by Habib Ali bin Hasan al-Attas Ba Alawi.
This comprehensive book explains the benefits of the litany Hasbuna Allah wa Ni'm al-Wakil, which is one of the litanies in the Ratib of Habib Umar bin Abd ur-Rahman al-Attas.