That's the lesson of the dogs, that it's important to both live in the moment and then go on to the next wonderful thing.

Dogs have important jobs, like barking when the doorbell rings, but cats have no function in a house whatsoever.

Most of what happens in the world is far beyond a dog's comprehension, so they must turn to their faith in us to help them navigate life's treacheries. Don't we, also, have unanswerable questions about the vagaries of modern existence for which the answer is beyond human grasp, so that only our faith can guide us?

My purpose, my whole life, had been to love him and be with him, to make him happy. I didn’t want to cause any unhappiness now—in that way, I decided it was probably better than he wasn’t here to see this, though I missed him so much at that moment the ache of it was as bad as the strange pains in my belly.

Kansas is a piece of real estate that completely disproves the theory of roundness as a quality of the planet earth.

I'd hope that the story A Dog's Purpose helps everyone reflect on how many different "lives" we all live - from children to teenager to adults to seniors - and how each phase of life presents new situations along the way to discovering our ultimate purpose.

Because failure isn't an option if success is just a matter of more effort.