It explains how you can get the most out of the fact that 45% of your behavior happens on autopilot by setting ridiculously small goals, relying on willpower instead of motivation and tracking your progress to live a life that’s full of good mini habits.

...Every giant accomplishment is made of very small steps... and to take them one at a time like this is not weak, but precise.

True self-discipline is not when you have someone ordering you to do push-ups, it's when you decide on your own to do them.

The habit of rising one hour earlier each morning to read would give you 365 extra hours more per year. At the average reading speed of 300 words per minute, this extra time would allow you to read 6,570,000 words, or 131 more 50,000-word books per year.

Happiness decreases your ability to perform concrete goals, but since the concrete part of mini habits is, for example, just one push-up, it's still easy to do while in an abstract state of mind. It's so small that it requires very little mental energy and attention. And since happiness increases performance and focus on abstract goals, after your concrete goal, you can rely on your abstract goal of “being fit” to make you want to exercise more.