Besides, what has he got to be a criminal about?
He has all that he requires in the money department, he's one of the most popular people in London, and certainly one of the best-looking men I've ever seen in my life.

He needs nothing." T.X.regarded him scornfully.
"You're a poor blind brute," he said, shaking his head; don't you know that great criminals are never influenced by material desires, or by the prospect of concrete gains?
The man, who robs his employer's till in order to give the girl of his heart the 25-pearl and ruby brooch her soul desires, gains nothing but the glow of satisfaction which comes to the man who is thought well of.

The majority of crimes in the world are committed by people for the same reason--they want to be thought well of.

Here is Doctor X.who murdered his wife because she was a drunkard and a slut, and he dared not leave her for fear the neighbours would have doubts as to his respectability.

Here is another gentleman who murders his wives in their baths in order that he should keep up some sort of position and earn the respect of his friends and his associates.
Nothing roused him more quickly to a frenzy of passion than the suggestion that he was not respectable.