The tired friend. The good father. The unjust judge. Jesus knew that persistent prayer takes grit. It wears down our give-it-to-me-now mentality. It raises hard questions. It takes an ever-growing faith. So he gave us some poignant pictures to keep us going. In all three of his parables on prayer, Jesus reminds us—keep asking, even when the waiting grows long and wearisome. Here are three lessons we can learn from Jesus’ parables: Pray with fearless abandon. When Jesus’ disciples asked for a lesson on prayer, he gave them a pattern to follow. Then he gave them two vivid pictures. In so doing he encouraged more that rote iterations. He wants…