The Bible's New Testament was written in Koine Greek.
The Bible ( from Koine Greek τὰ βιβλία , tà biblía , `` the books '' ) is a collection of sacred texts or scriptures that Jews and Christians consider to be a product of divine inspiration and a record of the relationship between God and humans . The New Testament is a collection of writings by early Christians , believed to be mostly Jewish disciples of Christ , written in first-century Koine Greek . New Testament . The New Testament is a collection of Christian works written in the common ( Koine ) Greek language of the first century , at different times by various writers , who were early Jewish followers of Jesus , and the modern consensus is that it also provides important evidence regarding Judaism in the first century AD . The original texts were written in the first and perhaps the second centuries of the Christian Era , in Greek , which was the common language of the Eastern Mediterranean from the Conquests of Alexander the Great ( 335 -- 323 BC ) until the Muslim conquests in the 7th century AD .