All In
When a six-year-old boy is brought in with the same symptoms as another patient who died years ago under House's care, House believes the cases are identical and he can predict the course of the boy's illness. Meanwhile, the clinic hosts a poker night to benefit the oncology department.
Wilson: "Obsession is dangerous."
House: "Only if you're on a wooden ship and your obsession is a whale. I think I'm in the clear."
Wilson: "You do realize it's a metaphor?"
House: "You do realize that the point of metaphors is to scare people from doing things by telling them that something much scarier is going to happen, than what will really happen? God, I wish I had a metaphor to explain that better."
House: "Did you know that relative to its size, the barnacle has the largest penis of any animal?"