The document discusses various aspects of prayer based on biblical passages. It identifies several purposes and benefits of prayer, including communicating and developing intimacy with God, glorifying God, submitting to God, gaining strength and sustenance, receiving wisdom and forgiveness, and finding protection and deliverance. Prayer is important because God listens to and responds to righteous prayers, invites believers to cast their burdens on Him, and imparts power to resist temptation. The cornerstone of prayer is loving God with all one's heart, and Christians are instructed to follow the example of the Lord's prayer.