“A dog wags its tail with its heart”.”

“Money will buy you a fine dog, but only love can make it wag its tail.”

“Well, then,' the Cat went on, 'you see, a dog growls when it's angry, and wags its tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad.”

“America is a large, friendly dog in a very small room. Every time it wags its tail, it knocks over a chair.”

“And how do you know that you're mad? "To begin with," said the Cat, "a dog's not mad. You grant that?" I suppose so, said Alice. "Well then," the Cat went on, "you see a dog growls when it's angry, and wags it's tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad.”

“Diagramming made language seem friendly, like a dog who doesn't bark, but, instead, trots over to greet you, wagging its tail.”