Persistence in Prayer: Why "One-and-Done" Isn't Enough (Luke 18:1-8)

How does it feel to pray for something for the first time? How about the second, or third, or thousandth time? At some point in our lives, we've probably all felt discouraged in praying for the same thing repeatedly without any response from God. Why should we keep going? This week's Scripture passage addresses that very question.