[He] may talk like an idiot, and look like an idiot, but don't let that fool you: he really is an idiot.
Do you suppose I could buy back my introduction to you?
Before you speak, make certain you have something worthwhile to say.
I've been looking for a girl like you - not you, but a girl like you.
Celebrate the cracks, because that's how the light comes in.
Whoever named it necking was a poor judge of anatomy.