ভূমিকা
Shiavault - a Vault of Shia Islamic Books About Imam Reza (a.s) Supplement: Regency Document Historians have often made reference to the regency declaration written for Imam ar-Ridha’ (a.s.) by al-Ma’mun. Al-Arbili in his Kashf al-Ghumma fi Akhbar al-A'imma may be considered the most reliable of all in his textual accuracy because he stated that he had examined the original copy of the declaration and quoted it word for word, and we would like to quote it here in its narrative.
He mentioned in his book the following: "In the year 670, one of his executives came from his (Imam's) sacred quarters with the document written in person by al-Ma’mun, and between its lines and on its back cover there were comments made in the handwriting of the Imam; so I kissed the places where he had written, and let my eyes glide on the gardens of his speech.
I considered having come across it as one of the blessings and favors of God, and I copied it down verbatim, and it is handwritten by al-Ma’mun who stated: In the Name of God, Most Gracious, Most Merciful This is a document written by the commander of the faithful Abdullah son of Harun al-Rashid for Ali ibn Musa ibn Ja’far, his heir to the throne: Thereupon, God the Exalted and the Sublime has selected Islam as His religion, and chose from among His servants Messengers leading to Him, guiding others towards Him, the first of them tells the glad tidings about their last, the latest among them testifying to the former, till God's Prophethood ended with the Prophethood of Muhammad (S) after a long period during which no prophets were sent, while knowledge was obliterated, inspiration ceased, and the Hour drew nearer.
So God sealed through him all other Prophets and made him a witness for them, an authority over them, and He revealed unto him His Dear Book which wrong cannot approach from front or from back, a Revelation from the Wise, the Praised One, of what He permitted and prohibited, promised of bliss and forewarned of retribution, warning and alerting, enjoining and prohibiting, so that He would have the clear proof against His creation, `...