Saint Moses the Ethiopian, also known as Saint Moses the Black, was a convert to the Christian faith in 4th century Egypt. He was formerly a robber and bandit known for his brutality, physical strength, and desire for vengeance. While fleeing local authorities and taking refuge in an Egyptian monastery, he had a profound conversion after seeing the lives of the monks who lived there. He repented of his former lifestyle and joined the monastic community, being renowned for his

Saint Isaac the Syrian, also known as Saint Isaac of Nineveh, is quoted as saying the following on prayer: "Every good care of the intellect directed toward God and every meditation upon spiritual things is delimited by prayer, is called by the name of prayer and under its name is comprehended; whether you speak of various readings, or the cries of a mouth glorifying God, or sorrowing reflection on the Lord, or making bows with the body, or the alleluias of psalmody, or all t