“In your friendship, certainly. But facts are facts, Watson, and, after all, you are only a general practitioner with very limited experience and mediocre qualifications. It is painful to have to say these things, but you leave me no choice.”

I was bitterly hurt.

“Such a remark is unworthy of you, Holmes. It shows me very clearly the state of your own nerves. But if you have no confidence in me I would not intrude my services. Let me bring Sir Jasper Meek or Penrose Fisher, or any of the best men in London. But someone you must have, and that is final. If you think that I am going to stand here and see you die without either helping you myself or bringing anyone else to help you, then you have mistaken your man.”

“You mean well, Watson,” said the sick man with something between a sob and a groan. “Shall I demonstrate your own ignorance? What do you know, pray, of Tapanuli fever? What do you know of the black Formosa corruption?”