Shawn Achor

Smart vacations lead to greater happiness and energy at work and, therefore, greater productivity, intelligence, and resilience.

Too many people limit their happiness and success by assuming that taking time off from work will send a negative message to their manager and slow their career advancement.

You've probably noticed how when someone says hello or smiles at you, your automatic reaction is to say hello or smile back.

The idea of investing in the positivity of employees is often low down on companies' priority lists.

You spend money on Internet connection for your employees. Why not spend money on the energy that fuels their brains?

The research says that being successful doesn't automatically make you happier, but being happier - being more positive - makes you more successful.

Traveling the world can be an amazing - and even better - a happy experience. You just have to do it the right way.

Joy is something you can experience even when life is not pleasurable. Even in the midst of a long run, when your legs are burning, you can still feel joy.

Poorly planned and stressful vacations eliminate the positive benefit of time away. The less the stress, the more likely you will experience a positive benefit from the time off. A positive, well-managed vacation can make you happier and less stressed, and you can return with more energy at work and with more meaning in your life.

Taking a vacation can actually increase the likelihood of getting a raise or a promotion.

Turnover can be one of the most expensive problems at a company.

When people exercise, we talk about endorphins, but endorphins are just short-term. The reason why exercise is valuable is it trains your brain to believe, 'My behavior matters,' which is optimism.