Grit, which they defined as the tendency to work strenuously toward challenges, maintaining effort and interest over years despite failure, adversity, and plateaus in progress.

If you believe you can change—if you make it a habit—the change becomes real. This is the real power of habit: the insight that your habits are what you choose them to be. Once that choice occurs—and becomes automatic—it’s not only real, it starts to seem inevitable.

When we start a new task, or confront an unpleasant chore, we should take a moment to ask ourselves "why.

The same process that makes AA so effective—the power of a group to teach individuals how to believe—happens whenever people come together to help one another change. Belief is easier when it occurs within a community.

Reform is usually possible only once a sense of crisis takes hold.... In fact, crises are such valuable opportunities that a wise leader often prolongs a sense of emergency on purpose.

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.

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. Exercise is a keystone habit that triggers widespread change.

All our life, so far as it has definite form, is but a mass of habits - practical, emotional, and intellectual - systematically organized for our weal or woe, and bearing us irresistibly toward our destiny, whatever the latter may be." - William James

Companies aren’t families. They’re battlefields in a civil war.

Researchers began finding that habit replacement worked pretty well for many people until the stresses of life—such as finding out your mom has cancer, or your marriage is coming apart—got too high, at which point alcoholics often fell off the wagon. Academics asked why, if habit replacement is so effective, it seemed to fail at such critical moments. And as they dug into alcoholics’ stories to answer that question, they learned that replacement habits only become durable new behaviors when they are accompanied by something else.One group of researchers at the Alcohol Research Group in California, for instance, noticed a pattern in interviews. Over and over again, alcoholics said the same thing: Identifying cues and choosing new routines is important, but without another ingredient, the new habits never fully took hold.The secret, the alcoholics said, was God.

Small wins are a steady application of a small advantage.

A five-year-old who can follow the ball for ten minutes becomes a sixth grader who can start his homework on time.

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.

Habits aren’t destiny. Habits can be ignored, changed, or replaced. But the reason the discovery of the habit loop is so important is that it reveals a basic truth: When a habit emerges, the brain stops fully participating in decision making. It stops working so hard, or diverts focus to other tasks. So unless you deliberately fight a habit—unless you find new routines—the pattern will unfold automatically.