The term “plenary” simply means absolutely complete in every way. When used in reference to the ScripturesThe Scriptures, as spoken of on this site, represents the 66 books found in the Protestant Bible, with 39 books in the Old Testament and 27 books found in the New Testament. It is our view that these books were written between 1446 BC and 96 AD, representing a time span of about 1,500 years, by the ..., it means the ScripturesThe Scriptures, as spoken of on this site, represents the 66 books found in the Protestant Bible, with 39 books in the Old Testament and 27 books found in the New Testament. It is our view that these books were written between 1446 BC and 96 AD, representing a time span of about 1,500 years, by the ... (Bible) is complete, lacking nothing in its designed content. The 66 books that make up the Bible are all there is, with nothing else to be added or deleted to make them more complete. When someone says they believe in the plenary of the Bible, they are saying the Bible is absolutely complete, lacking nothing to explain God’s revelations to the world.