Christian devotional literature (also called devotionals or Christian living literature) is religious writing that Christian individuals read for their personal growth and spiritual formation. Such literature often takes the form of Christian daily devotionals. Original excerpts including the Book of Daniel and Leviticus derive from Ancient Roman (753 BC - 640 AD), Greek and Byzantine (395 AD - 1453 AD) culture - and encompass the past relationship of God's Law through the Old Testament. Though these are the most significant accounts, the majority of the literature comprises commentaries to the ever changing social and political reforms of human history - including the impact of censorship, persecution - the reign of Emperor Nero (54 AD - 68 AD) and Diocletian (284 AD - 305 AD) and martyrd