Summary: The article discusses how monks have dealt with focus issues and distractions in order to achieve their goals of pure prayer. The author recommends a book, How to Focus: A Monastic Guide for an Age of Distraction, which is edited and translated by Jamie Kreiner and features selections from John Cassian's fifth-century monastic guide, the Conferences. The book is a useful guide for people in the modern age who experience difficulties in concentration and distractions. It teaches readers how to deal with attention and distraction through methods such as meditation, memorization, and fasting.