Why Pray Without Ceasing?

Luke Luke 3 Mark Mark 1 Matthew Luke 5 1 Thessalonians Luke 6 Isaiah Mark 3 Jeremiah Luke 9 Acts Mark 6 Colossians Mark 9 James Mark 14 Proverbs Matthew 14 Ephesians 1 Thessalonians 5 Psalms Luke 11 1 John Luke 18 1 Peter Isaiah 42 2 Peter Jeremiah 10 Acts 26 Colossians 1 James 3 Proverbs 3 James 1 Ephesians 6 Psalms 18 Psalms 105 1 John 5 Psalms 138 1 Peter 3 2 Peter 3