Notes in Professor Moriarty's notebook

‘You crossed my path on the fourth of January,’ said he. ‘On the twenty-third you incommoded me; by the middle of February I was seriously inconvenienced by you; at the end of March I was absolutely hampered in my plans; and now, at the close of April, I find myself placed in such a position through your continual persecution that I am in positive danger of losing my liberty. The situation is becoming an impossible one.” (Professor Moriarty)