When a doctor does go wrong he is the first of criminals. He has nerve and he has knowledge.

The man might have died in a fit; but then the jewels are missing," mused the Inspector, "Ha! I have a theory. These flashes come upon me at times... What do you think of this, Holmes? Sholto was, on his own confession, with his brother last night. The brother died in a fit, on which Sholto walked off the treasure! How's that?" "On which the dead man very considerately got up and locked the door on the inside," said Holmes.

Let me run over the principal steps. We approached the case, you remember, with an absolutely blank mind, which is always an advantage. We had formed no theories. We were simply there to observe and to draw inferences from our observations.

It is the small men and not the great who hold their noses in the air.

The unexpected has happened so continually in my life that it has ceased to deserve the name.

Still, it is an error to argue in front of your data. You find yourself insensibly twisting them round to fit your theories.

I love and am loved by a better man than he.