How to Pray, Praying With Power and Authority

How can we learn to pray effectively? Renowned evangelist and Bible teacher R. A. Torrey says that there are key biblical principles which must be followed if we are to pray in a way that brings answers. Beginning by showing the importance of prayer, he goes on to establish that the essence of true prayer is based on an intimate relationship with God. He deals with key features of effective prayer such as perseverance, praying in the Spirit and praying according to the will of God.