"'How do I know what I know?' he said, laughing. 'Ah, if I egsplained you might not understand. Perhaps there's little I don't know. I've travelled the world over, Mrs. Lemon, and there's no saying what I've learnt. As for spying, fye, fye, my dear landlady! But you must be satisfied, I suppose, being a woman. Have you ever heard of second sight? It's a wonderful gift. Perhaps I've got it; perhaps I can see with my eyes shut. Sech things are. But this is trifling. Poor Lemon! I am really concerned for him. You musn't keep me away from him. I'm a doctor, and can do him a power of good.' "'Not,' I said, and where I got the courage from in the state I was in, goodness only knows, 'while there's breath in my body shall you doctor my husband. Mischief enough you've done; you don't do no more.' "'Mischief, you foolish woman!' he said. 'What mischief? Have you took leave of your senses?' But I didn't answer him. 'Ah, well,' he said, shrugging his shoulders, 'let it be as you wish with my poor friend Lemon. I yield always to a lady. What is this?' And he took up the newspaper. 'You've been reading, I see, the particulars of this sad case. It is more than sad; it is frightful.' "'I haven't read it,' I said. "'But you was going to?' "'I won't bemean myself by denying it,' I said. 'Yes, I was going to, when you come into the room unbeknown and unbeware.' "I had it in my mind to say that it was a liberty to come into a room as didn't belong to him without first knocking at the door, but his black eyes was fixed on me and his moustache was curling up to his nose, and I didn't dare to.