As there was no door to the walled cell of the Tour-Roland, these two words had been carved in large Roman capitals over the window,—
TU, ORA.
And this caused the people, whose good sense does not perceive so much refinement in things, and likes to translate Ludovico Magno by "Porte Saint-Denis," to give to this dark, gloomy, damp cavity, the name of "The Rat-Hole." An explanation less sublime, perhaps, than the other; but, on the other hand, more picturesque.