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.

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

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

The problem is that your brain can't tell the difference between bad and good habits, and so if you have a bad one, it's always lurking there, waiting for the right cues and rewards.

Self-discipline has a bigger effect on academic performance than does intellectual talent.

If you believe you can change - if you make it a habit - the change becomes real.

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.