21:37 Do you know Greek? Of all the writers to whom the books of the New Testament were attributed by the early traditions of the church, only the writer of Luke-Acts was usually identified as a Gentile (though, according to some, a proselyte to Judaism before he became a Christian) and therefore as one who could understand as from within not only the Greek language, but both Greco-Roman religion, including magic, sorcery, and superstition (→19:28), and classical