How can we understand the purpose of miracles in the Old Testament, the New Test

How can we understand the purpose of miracles in the Old Testament, the New Testament, and in the lives of the saints? How did this “theology of miracles” manifest itself in encounters people had with St. Pope Kyrillos VI?430 word limit. Also, please respond to a post within 120 word limit, it’s on the prompt document named “Discussion 4.” Please only use readings attached.