"When I come back, I expect to find you gone. Wait for me!"

"[to elderly guest] You... Get out of here! D'ya wanna be poisoned? D'ya wanna be murdered? D'ya wanna be killed?"

"[to Dr. Einstein] Stop underplaying, I can't hear you!"

"[to his aunts] This is developing into a very bad habit! I don't know if I can explain it to you. It's not only again…"

"Even the cat's in on it!"

"[on telephone] Hello... Operator? Can you hear my voice? You can? Are you sure? [Hangs up] Well, then I must be here."

"[to Jonathan, who has some resemblance Frankenstein's monster] Where did you get that face? Hollywood?"

"[explaining to Elaine why they shouldn't be married] You wouldn't want to have children with three heads, would you? …"

"[singing] There is a Happy Dale, far, far away..."

"Insanity runs in my family. It practically gallops."