Jesus talks about the persistent prayers having great power when someone chooses to do them. He also talks about the Lord's Prayer, and how that prayer should be the model of your own prayers.
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Hebrews 10:19-25 - The Major Church Misconception Nearly Every Christian Believes
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Ezra 5 - When You Are Weak, God is Strong
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Hebrews 10:1-18 - Religion Doesn't Save; Only Jesus Saves
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