Then one day, we’ll put the reward in the old place, and put in the rat, and, by golloy, the old habit will rememerge right away. habits never really disappear. They’re encoded into the sturctures of our brain, and that’s a huge advantage for us, because it would be awful if we had to relearn how to drive after every vacation. 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.

If you dress a new something in old habits, it’s easier for the public to accept it.

America is the Saudi Arabia of coal.

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

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

Willpower isn’t just a skill. It’s a muscle, like the muscles in your arms or legs, and it gets tired as it works harder, so there’s less power left over for other things.

There’s something about it that makes other good habits easier.