Louise de la Valliere by Alexandre Dumas

The carriage arrived at the outside of the gate of the Bastile. A soldier on guard stopped it, but D'Artagnan had only to utter a single word to procure admittance, and the carriage passed on without further difficulty. Whilst they were proceeding along the covered way which led to the courtyard of the governor's residence, D'Artagnan, whose lynx eyes saw everything, even through the walls, suddenly cried out, "What is that out yonder?"

"Well," said Athos, quietly; "what is it?"