六座拿破仑半身像（29）

“Thank you!” said Holmes. “Thank you!” and as he turned away it seemed to me that he was more nearly moved by the softer human emotions than I had ever seen him. A moment later he was the cold and practical thinker once more. “Put the pearl in the safe, Watson,” said he, “and get out the papers of the Conk-Singleton forgery case. Good-bye, Lestrade. If any little problem comes your way I shall be happy, if I can, to give you a hint or two as to its solution.”