Curing the negatives does not produce the positives.

Not only do happy people endure pain better and take more health and safety precautions when threatened, but positive emotions undo negative emotions.

One of the things psychologists used to say was that if you are depressed, anxious or angry, you couldn't be happy. Those were at opposite ends of a continuum. I believe that you can be suffering or have a mental illness and be happy - just not in the same moment that you're sad.

What determines how much time and deliberate practice a child is willing to devote to achievement? Nothing less than her character.

Positive, optimistic sales people sell more than pessimistic sales people.

When it comes to our health, there are essentially four things under our control: the decision not to smoke, a commitment to exercise, the quality of our diet, and our level of optimism. And optimism is at least as beneficial as the others.

On the relationship side, if you teach people to respond actively and constructively when someone they care about has a victory, it increases love and friendship and decreases the probability of depression.