A polymath steeped in ancient Greek philosophy, his writings are an important source for Syriac history and theology.
[2][5][6] He was a disciple of Patriarch Athanasius II of Antioch and a personal friend of Jacob of Edessa and John of Litharb.
[2][7][10] He also wrote a commentary on the West Syriac liturgy for baptism and communion, and scholia (explanatory notes) to the orations of Gregory of Nazianzus.
[2] The nomocanon of Bar Hebraeus attributes to George the ruling that "a priest or a deacon who gives the Eucharist to the heretics shall be deposed".
The Syriac Orthodox patriarch Ignatius Aphrem I gave him the honorific mar, but there is no record of his being treated as a saint otherwise.