“Watson, you can see everything. You fail, however, to reason from what you see.”

“However, wretch as he was, he was still living under the shield of British law, and I have no doubt, Inspector, that you will see that, though that shield may fail to guard, the sword of justice is still there to avenge.”

“The most serious point in the case is the disposition of the child."What on earth has that to do with it?" I ejaculated.My dear Watson, you as a medical man are continually gaining insight as to the tendencies of a child by the study of the parents. Don't you see that the converse is equally valid. I have frequently gained my first real insight into the character of parents by studying their children.”

“(...)There’s the cab, Hopkins, and you can remove your man. If you want me for the trial, my address and that of Watson will be somewhere in Norway –I’ll send particulars later.”

“Are they not fresh and beautiful?" [Watson] cried...Holmes shook his head gravely."... You look at these scattered houses, and you are impressed bu their beauty. I look at them, and the only thought which comes to me is a feeling of their isolation and of the impunity with which crime may be committed here... They always filled me with a certain horror. It is my belief, Watson... that the lowest and vilest alleys in London do not present a more dreadful record of sin than does the smiling and beauty of the countryside... But the reason is obvious. The pressure of public opinion can do in the town what the law cannot accomplish.”

“You have a grand gift for silence, Watson. It makes you quite invaluable as a companion.”

“If you had killed Watson, you would not have got out of this room alive.”