Systematic Theology The Bible is a body of divinity within which are many strands. These interrelate and interweave so that one links into another. One strand is dependent on the other. They merge to form one tapestry. Expressed another way’ it can be argued that, although the various books were given over a period of centuries and through many people, the result was a complete Bible. This is the Holy Spirit’s gift to the Church. He is the author. In the Bible there is an underlying unity of exposition