The document outlines Shawn Achor's seven principles of positive psychology that can fuel success at work. The principles are: 1) The Happiness Advantage - focusing on positivity trains the brain for success. 2) The Fulcrum and the Lever - changing one's mindset maximizes potential. 3) The Tetris Effect - positive patterns can replace negative ones. 4) Falling Up - finding a "third path" to cope with stress. 5) The Zorro Circle - small, achievable goals build control and success. 6) The 20 Second Rule - habits are driven by activation energy from brief actions. 7) Social Investment - investing in relationships provides support.