The Three Musketeers by Alexandre Dumas Chapter 10 Page 19

Mme. Bonacieux looked earnestly at the young man.

“And if I give you this password,” said she, “would you forget it as soon as you used it?”

“By my honor, by the faith of a gentleman!” said d’Artagnan, with an accent so truthful that no one could mistake it.

“Then I believe you. You appear to be a brave young man; besides, your fortune may perhaps be the result of your devotedness.”

“I will do, without a promise and voluntarily, all that I can do to serve the king and be agreeable to the queen. Dispose of me, then, as a friend.”

“But I — where shall I go meanwhile?”