“Swear!” said she, “what does that mean? Come! You want me to swear?”

And she laughed.

“Your father! promise me, Éponine! Swear to me that you will not give this address to your father!”

She turned to him with a stupefied air.

“Éponine! How do you know that my name is Éponine?”

“Promise what I tell you!”

But she did not seem to hear him.

“That’s nice! You have called me Éponine!”

Marius grasped both her arms at once.

“But answer me, in the name of Heaven! pay attention to what I am saying to you, swear to me that you will not tell your father this address that you know!”