References in classic literature ?
Morison, was making his task an extremely difficult one--it was that quality of innate goodness and cleanness which is a good girl's stoutest bulwark and protection--an impregnable barrier that only degeneracy has the effrontery to assail.
Here, at least, was a citadel impregnable by right-hand defections or left-hand extremes.
The castle was built on the corner of a great rock, so that on three sides it was quite impregnable, and great windows were placed here where sling, or bow, or culverin could not reach, and consequently light and comfort, impossible to a position which had to be guarded, were secured.
He spoke Italian like a Tuscan, and Spanish like a Castilian; he would have been free, and happy with Mercedes and his father, whereas he was now confined in the Chateau d'If, that impregnable fortress, ignorant of the future destiny of his father and Mercedes; and all this because he had trusted to Villefort's promise.
Moreover, on her side, was his belief that her ethical motive in the argument was impregnable.
Athos is going to examine the castle, which it will be necessary to render impregnable in case of siege; Porthos will see to the provisions and Aramis to the troops of the garrison.
Fallen is the wall on which we relied as an impregnable bulwark both for us and our fleet.
In truth, to anything but a regular siege, Belle-Isle is absolutely impregnable.
It mounted one hundred guns, large and small, and was impregnable to Indian attack, unaided by artillery.
But when the victorious Romans brought with them the heavy solid fortifications impregnable to the weapons of the time, its commanding position alone ensured its adequate building and equipment.
That night (our third in Maple White Land) we had an experience which left a fearful impression upon our minds, and made us thankful that Lord John had worked so hard in making our retreat impregnable.
To make his position as critic still more impregnable, Sellers was now able to speak as one having authority.
The potboy at the corner, who is a privileged amateur, as possessing official knowledge of life and having to deal with drunken men occasionally, exchanges confidential communications with the policeman and has the appearance of an impregnable youth, unassailable by truncheons and unconfinable in station-houses.
Even the wise and mysterious therns of Barsoom, that ancient cult which for countless ages has been credited with holding the secret of life and death in their impregnable fastnesses upon the hither slopes of the Mountains of Otz, are as ignorant as we.
Darkness was just falling as we came in sight of the seemingly impregnable walls of this mountain stronghold, and lest we be seen I drew back with Woola behind a jutting granite promontory, into a clump of the hardy, purple scrub that thrives upon the barren sides of Otz.