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associated with Persia, not Syria, until 745. The expression 'teaching of the scriptures' is found in three texts dating from before the middle of the eighth century. One is a Nestorian tract, the Book of Jesus the Messiah, written between 635 and 641, shortly after Reuben's arrival in China. The other two are imperial decrees, one of 638, and the other of 745. They deserve special respect because, as official documents, they were drafted with care, and used terminology with precision. The decree of 745 also provides evidence that up to 745 Christian churches were called 'Persian monasteries, and that the official name for Christianity was Po-ssu ching-chiao 'Persian teaching of the scriptures'.
The Book of Jesus the Messiah is the earliest Nestorian document to survive from Tang China. There are two, slightly different, versions of this work, and the earliest version has been shown on stylistic grounds to predate the Essay on the Charity of the Creator (one of the three chapters of the Essay on Monotheism), a work known to have been written in 641. The Book of Jesus the Messiah was therefore written within six years of Reuben's arrival in China in 635. It is probable that it is the 'scripture' which, according to the Sian tablet, Reuben translated into Chinese for the emperor T'ai-tsung to support his petition to establish a monastery in Ch'ang-an. It gives a fair digest of the Christian message, and its length is right for a document intended for submission to an emperor. If so, it was written before 638, the year in which Reuben's petition was approved.
Towards the end of the text of the Book of Jesus the Messiah, after a description of the crucifixion, the following passage occurs:
"The earth quaked and the hills rocked, and the gates of all the graves in the world were opened and all the dead received life. When men saw that it was so, some still did not believe the teaching of the scriptures (ching-chiao), that the Messiah would die again, but most men did believe.
It is true that in this passage ching-chiao most probably bears its literal meaning, and refers to the Old Testament prophecies of the death and resurrection of Christ; but once this convenient term was coined, it did not take long before it suggested itself as a suitable Chinese name for the Christian religion. Christians liked to