What studies say the number one best way to start an exercise habit is to give yourself a reward that you genuinely enjoy.

Typically, people who exercise start eating better and becoming more productive at work. They smoke less and show more patience with colleagues and family. They use their credit cards less frequently and say they feel less stressed. It's not completely clear why. But for many people, exercise is a keystone habit that triggers widespread change.

America is the Saudi Arabia of coal.

Habits are malleable throughout your entire life.

Companies aren’t families. They’re battlefields in a civil war. Yet despite this capacity for internecine warfare, most companies roll along relatively peacefully, year after year, because they have routines—habits—that create truces that allow everyone to set aside their rivalries long enough to get a day’s work done.

Rather, to change a habit, you must keep the old cue, and deliver the old reward, but insert a new routine.

If you tell people that they have what it takes to succeed, they'll prove you right