St. Teresa of Avila’s Interior Castle October 14th, 2010 by Patrice Fagnant-MacArthur October 15th is the feast day of St. Teresa of Avila. A Carmelite nun living in the 1500s, one of her most famous works is “Interior Castle” (known as “The Mansions” in her native Spain) which she wrote at the request of her confessor. A mystic who communed intimately with God, she had experienced a vision of “a most beautiful crystal globe, made in the shape of a castle, and containing seven mansions, in the seventh and innermost of which was the King of Glory, in the greatest...