A popularly-written study of the biblical roots of the Eastern Orthodox Church's mystical understanding of the knowledge of God. This unique study brings together the best of contemporary exegesis with the tradition of Eastern Christianity and illustrates the biblical roots of the Eastern Church's understanding of grace as the energy of God. The book presents, in lay terms, the shape for an Orthodox biblical theology for the 21st century and will be of interest to all Christians for whom the Bible is divine revelation and for whom tradition continues to be creative.