The Old Testament is often referred to as the Scriptures in the New Testament.
Christian Greek Scriptures known as the New Testament
No. Jesus is the New Testament Moses is the Old Testament
The book of Proverbs is in the Old Testament
The prophets were in the old testament. The new testament does not have any prophets, because Jesus had already fufilled the prophecies made in the old testament. However, the new testament includes 12 Apostles, including the 12 disciples minus Judas, plus Paul
The Old Testament.
New Testament
This question can be understood in terms of reading only the Old Testament but not the New Testament, or in terms of reading only the Old Testament but nothing else that could contradict or challenge the stories and traditions portrayed in the Old Testament. For a Jew, there is no particular disadvantage in reading the Old Testament but not the New Testament, as the New Testament is not relevant to his religion. For a Christian, the disadvantage is that the books most important to his faith are in the New Testament. Anyone reading only the Old Testament and not what is now known about the history of the times and biblical scholarship on the Old Testament, the disadvantage is that the reader must take everything literally and can not have an informed view as to how literally the Old Testament should be read.
Sarah is found in the Old Testament, specifically the book of Genesis. She is known specifically for her role as the wife of Abraham, and the mother of Isaac.
Abraham is first mentioned in the Old Testament.
New Testament
There are 39 books in the Old Testament and 27 in the New Testament.