R.A. Torrey (1856 - 1928) was the first superintendent of the Moody Bible Institute and dean of the Bible Institute in Los Angeles. Published in 1900, this classic work has guided generations of believers into a more fulfilling prayer life. Based on biblical examples of devotion, it explains the purpose and power of prayer in chapters titled 'Abiding in Christ', "The Importance of Prayer', 'Obeying and Praying,' and 'When to Pray'. The book also teaches believers how to overcome hindrances to prayer and how to set their hearts on compassion, humility, gentleness, kindness and patience.