Why is the necessity of studying the subject of the Twelve Mysteries of God? The reason is because no one will be perfect as a full-grown saint without these lectures / teachings of/in the mysteries of God. This is the course needed to secure the saint for spiritual endurance and works in/by the Spirit. These studies cause the saints to know how to comprehend what is the breadth, length, depth, and height of the purposes in the plans that God have for the Jews, Church, and the world. Please read. Ephesian 3:1-11, 16-19; 1Corinthians 2:1-10. This volume is the sequel of volume one entitled: General Bible Knowledge: Which contains the milk of the word.