Dr. Gregory House: [Wilson is slowly walking a treadmill] What if it was the surgery? Dr. James Wilson: What if it was the fact that you tore out your stitches and lost two pints of blood? Dr. Gregory House: [thinks] Why did Gillick give me ketamine during my surgery? [looks at Wilson in hope for an answer]
This quote occurs at 00:17:53-00:18:05 in the video.