Ten Years Later: The Man in The Iron Mask by Alexandre Dumas Chapter 14 Page 22

Philippe made his appearance from the alcove, as he pushed aside a sliding panel placed behind the bed.

“M. d’Artagnan entertains a great many suspicions, it seems,” he said.

“Ah! — you recognized M. d’Artagnan, then?”

“Before you called him by his name, even.”

“He is your captain of musketeers.”

“He is very devoted to me,” replied Philippe, laying a stress upon the personal pronoun.

“As faithful as a dog; but he bites sometimes. If D’Artagnan does not recognize you before the other has disappeared, rely upon D’Artagnan to the end of the world; for in that case, if he has seen nothing, he will keep his fidelity. If he sees, when it is too late, he is a Gascon, and will never admit that he has been deceived.”