I told you to get rid of death cat. Do you see a cat? I see ...
Dr. Cuddy: I told you to get rid of "death cat."
House: Do you see a cat?
Dr. Cuddy: I see a litter box.
(House grabs his cane)
House: This is a disability, Dr. Cuddy. Can't make it to the men's room on time.
Dr. Cuddy: You pee on the mice too?
House: Well, now you see the mice actually prove that I don't have a cat.
Dr. Cuddy: Are these... are these the genetically modified lab mice from oncology?
House: Genetically modified for tastiness.