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

Habits are malleable throughout your entire life.

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

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.

If you want to do something that requires willpower - like going for a run after work - you have to conserve your willpower muscle during the day.

Most of the choices we make each day may feel like the products of well-considered decision making, but they’re not. They’re habits.

The Golden Rule of Habit Change: You can't extinguish a bad habit, you can only change it.