The waste from power plants is essentially what is left over when you burn coal. And as we all know, coal is a relatively dirty mineral.

Hiding what you know is sometimes as important as knowing it.

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.

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.

Small wins are a steady application of a small advantage.

Once people learned how to believe in something, that skill started spilling over to other parts of their lives, until they started believing they could change. Belief was the ingredient that made a reworked habit loop into a permanent behavior.

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.