Commentaries:
In Jesus' time, the act of prayer had devolved mainly into hypocritical public prayers and memorized rote prayers. Because Jesus had shown Himself to be so different from other teachers of God's way of life, His disciples were understandably confused about how they should pray. When they ask Him to teach them how to pray (Luke 11:1), Jesus responds with what has often been called—mistakenly—“the Lord's Prayer” (see Matthew 6:9-13; Luke 11:2-4; the real “Lord's Prayer” appears in John 17). He does not intend us to recite this prayer mindlessly but offers an outline for our own far longer, deeper, and more personal prayers to the Father in heaven.
Jesus' disciples had grown up in Judaism, which was dominated at the time by the Pharisees, pious laymen who observed and taught strict adherence to the law. However, as Jesus pointed out, the Pharisees put their traditions (their Oral Law, restrictions to keep them from sinning and becoming ritually impure) above the law of God. Their instruction on prayer, then, proved to be insincere, as they prayed publicly to receive the approbation of men rather than to honor God.
Thus, Jesus instructs His disciples to shun the example of these hypocrites. He teaches them to find a private place to pray, away from an audience, so that they could have genuine, one-on-one conversations with God. He also tells them to avoid going to the opposite extreme of using “vain repetitions,” rote prayers repeated endlessly. God is a real Person who desires a real relationship with those He calls. We should speak reverently and respectfully to Him, certainly, but we should not yammer at Him like an unhearing block of wood, stone, or metal, as the heathens treat their idols.
Richard T. Ritenbaugh
The Model Prayer (Part One): Introduction