Prayer and worship are human activities in the human spirit, "we worship in spirit and truth". This book is focused mostly on the actual practice of the most ancient form of prayer about the holy name of Jesus in both the Eastern and Western traditions of the Christian and Catholic faith. The book itself is a guide to Christian meditation, prayer and praise and a resource to use. The principles of the Our Father and practical steps of worship and praise, the Church Fathers, the Philokalia and their teachings on the Jesus Prayer are related. Aspiration, Centering Prayer, passive and active meditation, and Charismatic praise and tongues as well as the purification and healing dimensions and the scientific studies on prayer and meditation are also explained.