“Diagramming made language seem friendly, like a dog who doesn't bark, but, instead, trots over to greet you, wagging its tail.”
“America is a large, friendly dog in a very small room. Every time it wags its tail, it knocks over a chair.”
“A dog wags its tail with its heart”.”
“After years of having a dog, you know him. You know the meaning of his snuffs and grunts and barks. Every twitch of the ears is a question or statement, every wag of the tail is an exclamation.”
“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.”