"'Writing that long-overdue thank-you letter to the mentor, coach, or grandparent' who's been an inspiration to you will produce positive physiological effects that persist even a month later, according to Martin Seligman, author of Authentic Happiness," reported The Week (March 9, 2007).

Thankfulness is a key feature of the fulfilling way of life taught by the Bible. The apostle Paul linked prayer and thanksgiving with rejoicing and peace in Philippians 4:4-7. Thanksgiving is not just a once-a-year event, but a daily mind-set.