A dog has the soul of a philosopher.
 --Plato

There is no psychiatrist in the world like a puppy licking your face.
 --Bern Williams

The greatest pleasure of a dog is that you may make a fool of yourself with him, and not only will he not scold you, but he will make a fool of himself, too.
 --Samuel Butler

Heaven goes by favour. If it went by merit, you would stay out and your dog would go in.
 --Mark Twain

If you think dogs can't count, try putting three dog biscuits in your pocket and then giving Fido only two of them.
 --Phil Pastoret