Title: The Rare Jewel Of Christian Contentment. Wherein is shewed, 1 What Contentment is. 2 The holy Art or Mysterie of it. 3 Several Lessons that Christ teacheth to work the Heart to Contentment. 4 The Excellencies of it. 5 The Evils of Murmuring. 6 The Aggravations of the sin of Murmuring