TED Talk: Nature. Beauty. Gratitude - Louie Schwartzberg (9:44)
TED Talk: Want to be Happy? Be grateful - David Steindl-Rast (14:30)
TED Talk: A story about knots and surgeons - Ed Gavagan (12:21)
The Gratitude Challenge
The Seven Best Gratitude Quotes
TEDxKC Talk: The price of invulnerability - Brené Brown (15:57)
Action for Happiness (PDF)
Gratitude Can Make You Happy
Three Good Things (1:06)
Why Gratitude is Good
Experiment in Gratitude (7:13)
Four Lessons on Gratitude