Ten Years Later: The Man in The Iron Mask by Alexandre Dumas Chapter 1 Page 17

Since, then, we both wear masks, either let us both retain them or put them aside together.”

Aramis felt the force and justice of the remark, saying to himself, “This is no ordinary man; I must be cautious. — Are you ambitious?” said he suddenly to the prisoner, aloud, without preparing him for the alteration.

“What do you mean by ambitious?” replied the youth.

“Ambition,” replied Aramis, “is the feeling which prompts a man to desire more — much more — than he possesses.”

“I said that I was contented, monsieur; but, perhaps, I deceive myself. I am ignorant of the nature of ambition; but it is not impossible I may have some. Tell me your mind; that is all I ask.”