If you tell people that they have what it takes to succeed, they'll prove you right

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.

The more you focus, the more that focus becomes a habit.

The cooperation of NASCAR - or any other system, it turns out - persists only when everyone believes he has the opportunity to win.

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

Shampoo doesn’t have to foam, but we add foaming chemicals because people expect it each time they wash their hair. Same thing with laundry detergent. And toothpaste—now every company adds sodium laureth sulfate to make toothpaste foam more. There’s no cleaning benefit, but people feel better when there’s a bunch of suds around their mouth. Once the customer starts expecting that foam, the habit starts growing.