“The more you try to act sane, the crazier you start to look. If you smile too much, you are delusional or you are stifling hysteria. If you don't smile you are depressed. If you remain neutral you are emotionally withdrawn, potentially catatonic.”
Amy Ryan - Carol Dexter

“He's sweet and thoughtful, sane and considerate. I was married to one who was insane and inconsiderate.”

Irene Dunne - Lucy Warriner

“When Johnny's in that mood, he's a madman! He's a maniac! And then things happen. Horrible things...”

Peter Lorre - Dr. Einstein

“Is there a history of insanity in your family?”
John Marwood Cleese - Rollo Lee

“- Ruth Matthews: We all go a little crazy sometimes, doctor.
- Jake Beerlander: Yes, Ms. Matthews, but most of us come back.”
Kathleen Turner - Ruth Matthews
Tommy Lee Jones - Jake Beerlander