A person can learn a lot from a dog, even a loopy one like ours. Marley taught me about living each day with unbridled exuberance and joy, about seizing the moment and following your heart.

Never slow down, never look back, live each day with adolescent verve and spunk and curiosity and playfulness. If you think you’re still a young pup, then maybe you are, no matter what the calendar says.

Then I dropped my forehead against his and sat there for a long time, as if I could telegraph a message through our two skulls, from my brain to his. I wanted to make him understand some things. You know all that stuff we’ve always said about you?” I whispered. “What a total pain you are? Don’t believe it. Don’t believe it for a minute, Marley.” He needed to know that, and something more, too. There was something I had never told him, that no one ever had. I wanted him to hear it before he went. Marley,” I said. “You are a great dog.

A person can learn a lot from a dog, even a loopy one like ours. Marley taught me about living each day with unbridled exuberance and joy, about seizing the moment and following your heart. He taught me to appreciate the simple things-a walk in the woods, a fresh snowfall, a nap in a shaft of winter sunlight. And as he grew old and achy, he taught me about optimism in the face of adversity. Mostly, he taught me about friendship and selflessness and, above all else, unwavering loyalty.

When I wrote 'Marley & Me,' I had a clear audience in mind. And it did not include children. I wrote my book for adults and assumed only adults, and possibly teenagers, would be drawn to it.

In a world of bosses, you are your own master

A dog has no use for fancy cars or big homes or designer clothes. Status symbols mean nothing to him. A waterlogged stick will do just fine. A dog judges others not by their color or creed or class but by who they are inside. A dog doesn't care if you're rich or poor, educated or illiterate, clever or dull. Give him your heart and he will give you his.