Patriarch of Antioch Theodore Balsamon ca. 12th cent.
The Apostle Paul, writing to the Romans, states, “Or is God the God of Jews only and not also of Gentiles? Yes, of Gentiles also.” (Rom. 3:29) At any rate, those who are Orthodox in all things, even if they might be wholly bereft of Greek speech, shall celebrate in their own language with precise copies of the customary holy prayers translated from liturgical books with well-copied Greek letters. (The Sixty-Six Canonical Questions, Response to Question 6)