"Then we started clinical work ... and I just wasn't suited to that. I didn't like ... the whole structure of a teaching hospital. That is, I felt very much that treating patients as things is the wrong thing. And since I thought it was very hard to be a scientist and not do this, then I preferred not to do it at all. So, in fact, I think I am the only person who has ever passed medicine who had never seen a patient until his examination — because I never went. And, in fact, one of the great stories is that I failed my medicine because I was asked to smell this patient's breath and correctly diagnosed Macleans toothpaste where I should have diagnosed acetone."