Wolfenden stood squarely upon his feet, and laid his hand lightly upon the other’s shoulder.
“Look here,” he said, “it won’t do for you to go following a man about London like this, watching for an opportunity to murder him. I don’t like interfering in other people’s business, but willingly or unwillingly I seem to have got mixed up in this, and I have a word or two to say about it. Unless you give me your promise, upon your honour, to make no further attempt upon that man’s life, I shall go to the police, tell them what I know, and have you watched.”
“You shall have,” Felix said quietly, “my promise. A greater power than the threat of your English police has tied my hands; for the present I have abandoned my purpose.”
“I am bound to believe you,” Wolfenden said, “and you look as though you were speaking the truth; yet you must forgive my asking why, in that case, you are following the man about? You must have a motive.”
Felix shook his head.
“As it happened,” he said, “I am here by the merest accident. It may seem strange to you, but it is perfectly true. I have just come out of Waldorf’s, above there, and I saw you all three upon the pavement.”
“I am glad to hear it,” Wolfenden said.
“More glad,” Felix said, “than I was to see you with them. Can you not believe what I tell you? shall I give you proof? will you be convinced then? Every moment you spend with that man is an evil one for you. You may have thought me inclined to be melodramatic last night. Perhaps I was! All the same the man is a fiend. Will you not be warned? I tell you that he is a fiend.”
“Perhaps he is,” Wolfenden said indifferently. “I am not interested in him.”