The old testament is a section of the bible that was written long ago. There are old testament quotes that discuss a specific book in this section, and this par of the bible was written down by Israelites long ago. The old testament of the bible is the part that occurred before the birth and crucifixion of Jesus Christ and there are many stories of animal sacrifice in order to wash away the sins of man. When Jesus died for the sins of man animal sacrifices were no longer needed, and the books of the new testament start during this period. Those who follow the Christian religion believe that the old testament was the foundation for the time to come and the stories that are included in the new testament of the bible.