Dogmatism is by far the best fall-back defense, the most impregnable castle, that ignorance can find. It's also a dead give-away that the person doesn't know why he believes what he believes.
Utility is a metaphysical concept of impregnable circularity; utility is the quality in commodities that makes individuals want to buy them, and the fact that individuals want to buy commodities shows that they have utility.
Washington, Jefferson, Lincoln and Roosevelt faced adversities that, in their times, seemed impregnable. Great presidents overcome great odds.
Of all powers, love is the most powerful and the most powerless. It is the most powerful because it alone can conquer that final and most impregnable stronghold which is the human heart. It is the most powerless because it can do nothing except by consent.
A lot of men who have accepted - or had imposed upon them in boyhood - the old English public school styles of careful modesty in speech, with much understatement, have behind their masks an appalling and impregnable conceit of themselves.
The moon. . . is a mad woman holding up her dress So that her white belly shines. Haughty, Impregnable, Ridiculous, Silent and white as a debauched queen.
My style was impetuous, my defenses were impregnable, and I was ferocious.
Nothing but heaven is impregnable to vice.
