Summary of historical records of Alopen when he first presented the Torah concepts

Track the precise historical records of Alopen when he first presented the Torah concepts to the Tang Emperor.

To track the precise historical records of Alopen (阿羅本) presenting scriptures to the Tang Emperor Taizong (唐太宗), we must first correct a vital historical detail: Alopen did not present "Torah concepts," but rather Christian scriptures. 

Alopen was a bishop/monk from the Middle East (associated with the Church of the East, historically referred to as Nestorianism). While the scriptures he brought inherently included elements of the Hebrew Bible (Old Testament), his mission explicitly focused on the Christian Gospel and the Messiah. 

The entirety of our precise historical timeline and record for this 635 CE encounter relies on a singular primary archaeological source: The Xi'an Stele (also known as the Nestorian Stele or Jingjiao Stele), which was erected in 781 CE and unearthed in 1625. 

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📜 Chronological Record of the 635 CE Encounter

According to the text inscribed on the Xi'an Stele, the historical timeline unfolded precisely as follows:

• Arrival (635 CE): In the 9th year of the Zhenguan era (贞观九年), Alopen arrived at the Tang imperial capital of Chang'an (modern-day Xi'an) after journeying along the Silk Road. [4, 6]
• The Imperial Escort: Emperor Taizong, renowned for his broad cosmopolitanism and religious tolerance, was fully briefed on the arrival. He sent his Prime Minister (Chancellor), Fang Xuanling (房玄齡), along with a grand imperial guard of honor to the western suburbs of the city to personally welcome Alopen and escort him to the palace. 
• The Translation Project: Once inside the palace, Alopen presented the "True Scriptures" (Bibles and theological texts written in Syriac or Persian) to the Emperor. Taizong ordered these holy books to be taken to the Imperial Library to be systematically translated into Chinese. 
• The Emperor’s Assessment: Emperor Taizong personally examined the translated texts in his private chambers. Convinced of their moral rectitude and depth, he declared the teachings to be "mysterious, wonderful, and calm," stating that they fixed the essentials of life and brought salvation to living beings. 

🏛️ The Immediate Aftermath (638 CE)

The precision of these records extends to the legal recognition of the faith. Three years after their initial meeting, in 638 CE, Emperor Taizong issued an Official Edict of Universal Toleration. [6, 14]

The decree legally authorized the propagation of the religion—which the Chinese termed Jingjiao (景教), meaning the "Luminous Religion"—and ordered the construction of a monastery in the capital city at imperial expense to house Alopen and 21 fellow Persian monks.

✍️ The "Jesus Sutras" (Early Literary Records)

Beyond the stone Stele, specific textual fragments known as the Jesus Sutras (or the Daqin Christian Manuscripts) date back to Alopen's era. The earliest of these is the "Sutra of Jesus the Messiah" (Xuting Mishisuo Jing), a 206-verse text heavily attributed to the translation work requested by Taizong. To make the scriptures intelligible to the Tang court, Alopen utilized Daoist and Buddhist metaphysical concepts, translating "God" as the "Uncreated Eternal" and the Trinity as the "Three-in-One".