Here are some previous ones that I have.....

The once popular dog name Fido is from the Latin meaning "fidelity."

If I have any beliefs about immortality, it is that certain dogs I have known will go to heaven, and, very, very few persons.
-- James Thurber

If dogs could talk, perhaps we would find it as hard to get along with them as we do with people. -- Karel Capek

The misery of keeping a dog is his dying so soon. But, to be sure, if he lived for fifty years and then died, what would become of me? -- Sir Walter Scott (LOVE this one)

When the aliens come, I hope they bring their dogs. -- Dan Moore