You wish to put me in the dark. I tell you that I will never be put in the dark. You wish to beat me. I tell you that you will never beat me.

‎A change of work is the best rest.

Ah! my dear Watson, there we come into those realms of conjecture, where the most logical mind may be at fault. Sherlock Holmes speaking with Dr. Watson.

It is a capital mistake to theorize before one has data.

You know my method. It is founded upon the observation of trifles.

The best way of successfully acting a part is to be it.

In the year 1878 I took my degree of Doctor of Medicine of the University of London, and proceeded to Netley to go through the course prescribed for surgeons in the army. Having completed my studies there, I was duly attached to the Fifth Northumberland Fusiliers as Assistant Surgeon.