Most people are searching for happiness. They're looking for it. They're trying to find it in someone or something outside of themselves. That's a fundamental mistake. Happiness is something that you are, and it comes from the way you think.

We'd just shared the last beer and slung the empty can out the window at a stop sign and were just waiting back to get the feel of the day, swimming in that kind of tasty drowsiness that comes over you after a day of going hard at something you enjoy doing -- half sunburned and half drunk and keeping awake only because you wanted to savor the taste as long as you could.

We’ve all heard of Dr. Elisabeth Kubler-Ross’ five stages of grief: denial, anger, bargaining, depression, and acceptance. In contrast, I realized, happiness has four stages. To eke out the most happiness from an experience we must: anticipate it, savor it as it unfolds, express happiness, and recall a happy memory.

Happiness is a vine that takes root and grows within the heart, never outside it.

To laugh often and much ... this is to have succeeded. Probably not from Emerson: here's the full quotation and the story.

I had a great tennis career. I have no regrets. But to find peace with yourself, and to finally be with your family - I'm probably the happiest guy in the world.