D.A. Carson has a revision to one of his older books now available with a complementary study guide and DVD. The new edition is called Praying With Paul: A Call to Spiritual Reformation. Here’s an excerpt from that book.
His points in this post are moving. I particularly like this one on steering your heart into action.
8. Pray until you pray.
This is Puritan advice. It does not simply mean that persistence should mark much of our praying—though admittedly that is a point the Scriptures repeatedly make. Even though he was praying in line with God’s promises, Elijah prayed for rain seven times before the first cloud appeared in the heavens. . . . That is not quite what the Puritans mean when they exhorted one another to “pray until you pray.” What they mean is that Christians should pray long enough and honestly enough, at a single session, to get past the feeling of formalism and unreality that attends not a little praying. We are especially prone to such feelings when we pray for only a few minutes, rushing to be done with a mere duty. To enter the spirit of prayer, we must stick to it for a while. If we “pray until we pray,” eventually we come to delight in God’s presence, to rest in his love, to cherish his will. Even in dark or agonized praying, we somehow know we are doing business with God. In short, we discover a little of what Jude means when he exhorts his readers to pray “in the Holy Spirit” (Jude 20)—which presumably means it is treacherously possible to pray not in the Spirit.