The Chalice of the Heart: Christian Teachings of the Greek Adept 1949 is a book written by Mary Gray. The book is based on the teachings of a Greek adept who was a Christian. The adept's teachings are presented in the book in a clear and concise manner, making it easy for readers to understand and apply them to their own lives.The book explores the concept of the heart as the center of spiritual life and the chalice as a symbol of the heart. It delves...