“Outside of a dog, a book is man's best friend. Inside of a dog it's too dark to read.”
“When a man's best friend is his dog, that dog has a problem.”
“Properly trained, a man can be dog's best friend.”
“Diamonds are a girl's best friend and dogs are a man's best friend. Now you know which sex has more sense.”
“Just give me a comfortable couch, a dog, a good book, and a woman. Then if you can get the dog to go somewhere and read the book, I might have a little fun.”
“Dog becomes a good friend with man whether the man himself is good or not!”