Beliefs are so powerful because they dictate our efforts and actions.

Research shows you get multiple tasks done faster if you do them one at a time. It also decreases stress and raises happiness.

It's hard to find happiness after success if the goalposts of success keep changing.

If we study what is merely average, we will remain merely average.

Happiness is not the belief that we don't need to change; it's the realization that we can.

Success does not mean happiness. Check out any celebrity magazine to look for examples to disabuse you of thinking that being beautiful, successful or rich will make you happy.

The contents of the glass don’t matter; what’s more important is to realize there’s a pitcher of water nearby. In other words, we have the capacity to refill the glass, or to change our outlook.