1 Timothy 6:6 (NIV) But godliness with contentment is great gain.
Job 36:11 (NIV) If they obey and serve him, they will spend the rest of their days in prosperity and their years in contentment.
Content makes poor men rich; discontent makes rich men poor. —Benjamin Franklin
Today's Best Illustrations – Volume 5, (Carol Stream, IL: Christianity Today, 1997), WORDsearch CROSS e-book, Under: "CONTENTMENT".