Stanley Hopkins was speechless with amazement. “I don’t know what to say, Mr. Holmes,” he blurted out at last, with a very red face. “It seems to me that I have been making a fool of myself from the beginning. I understand now, what I should never have forgotten, that I am the pupil and you are the master. Even now I see what you have done, but I don’t know how you did it or what it signifies.