Eschatology:
Eschatology comes from eschatos, meaning "last, utmost, or extreme," and the word logos, meaning "word." Eschatology means the last word, or a study of last things.
The Apocalypse:
Apocalypse is from the Greek word apokalupsis, meaning "to uncover or unveil what is hidden." It is the Greek name given for the book of Revelation, which was a vision given to the apostle John. The book was originally written in Greek.
Apocalyptic Literature:
Both Jewish and Christian is filled with apocalyptic literature. Some literature is called pseudepigrapha, defined as literature written by someone else who attributed authorship to a holy man or prophet. Apocalyptic literature consists of both Biblical and non-Biblical books.
Jewish Literature Christian Bible and Tradition
Book of Enoch Book of Revelation
Book of Jubilees Book of Daniel
Testament of the Twelve Patriarchs Books of Ezekiel, Isaiah, Zechariah, etc.
The Sibylline Oracles Book of Enoch
Book of Jasher The Shepherd of Hermes
Ascension of Moses The Didache
Note: The Bible is the only source of true inspiration ( II Timothy 3:16 and II Peter 1:21).
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