Dr. Gregory House: My diagnostic test worked. It proved the patient had a steroid-induced psychosis. Dr. Walter Cofield: And that's what you took away from this situation? Dr. Gregory House: The brain was not a symptom of an underlying disease. Dr. Walter Cofield: Your colleague was stabbed. Are you telling me you didn't care?
This quote occurs at 00:21:44-00:21:58 in the video.