Saint Teresa of Jesus (Avila) and her classic manuscript, The Interior Castle. In this episode cover the stages of beginning prayer, in the First Mansions, Chapter 01. Written in 1577, by the famed Carmelite Spanish mystic and a Doctor of the Catholic, The Interior Castle is a road map for prayer and spiritual development of the heart, soul, and spirit. The Interior Castle reflects Saint Teresa's deep intimacy with Jesus Christ, and this classic masterpiece on prayer educates us on developing our intimate relationship with Jesus Christ.