Why should you go further in it? What have you to gain from it?''What, indeed? It is art for art's sake, Watson. I suppose when you doctored, you found yourself studying cases without thought of a fee?''For my education, Holmes.''Education never ends, Watson. It is a series of lessons with the greatest for the last.

It was amusing to me to see how the detective's overbearing manner had changed suddenly to that of a child asking questions of its teacher.

The country inspector's face had shown his intense amazement at the rapid and masterful progress of Holmes' investigation. At first he had shown some disposition to assert his own position, but now he was overcome with admiration, and ready to follow without question wherever Holmes lead.

Desultory readers are seldom remarkable for the exactness of their learning.