3:48 How Do I Know to Keep Praying for Something? 13:18 Why should we pray & keep on praying? | Dr. Samuel R. Patta teaches on prayer 4:40 Why Pray If God Already Knows Everything? | Joseph Prince 6:40 If God is Good, Why Do We Need to Pray? 3:52 Danny Wilson - Mary's Prayer 9:28 KEEP ON PRAYING | God Hears You 7:28 When Should I Stop Praying for Something? 6:16 How will I know when it's time to stop praying? - Ask Dr. Stanley