Change might not be fast and it isn't always easy. But with time and effort, almost any habit can be reshaped.

Simply giving employees a sense of agency- a feeling that they are in control, that they have genuine decision-making authority - can radically increase how much energy and focus they bring to their jobs.

Typically, people who exercise start eating better and becoming more productive at work. They smoke less and show more patience with colleagues and family. They use their credit cards less frequently and say they feel less stressed. It's not completely clear why. But for many people, exercise is a keystone habit that triggers widespread change.

The brain has this amazing ability to find happiness even when the memories of it are gone.

I think I'm smart, and I know I was a good mom. But there wasn't a lot I could point to and say, that's why I'm special.

There's a natural instinct embedded in friendship, a sympathy that makes us willing to fight for someone we like when they are treated unjustly.

For a habit to stay changed, people must believe change is possible.