By the time that any semblance of attention returns, the preacher's address may have taken the form of pointed interrogation, with very defined supposed facts, or even real ones, to give the question and its principle as it were a tangible substance. Well; just at the moment when his questions converge to a point, which was to have been a dart of conviction striking the understanding, and compelling the common sense and conscience of the auditors to answer for themselves,--at that moment, he perceives two or three of the persons he had particularly in view begin an active whispering, prolonged with the accompaniment of the appropriate vulgar smiles. They may possibly relapse at length, through sheer dulness, into tolerable decorum; and the instructor, not quite losing sight of them, tries yet again, to impel some serious ideas through the obtuseness of their mental being. But he can clearly perceive, after the animal spirits have thus been a little quieted by the necessity of sitting still awhile, the signs of a stupid vacancy, which is hardly sensible that anything is actually saying, and probably makes, in the case of some of the individuals, what is mentally but a slight transition to yawning and sleep. Utter ignorance is a most effectual fortification to a bad state of the mind. Prejudice may perhaps, be removed; unbelief may be reasoned with; even demoniacs have been compelled to bear witness to the truth; but the stupidity of confirmed ignorance not only defeats the ultimate efficacy of the means for making men wiser and better, but stands in preliminary defiance to the very act of their application. It reminds us of an account, in one of the relations of the French Egyptian campaigns, of the attempt to reduce a garrison posted in a bulky fort of mud. Had the defences been of timber, the besiegers might have set fire to and burned them; had they been of stone, they might have shaken and ultimately breached them by the battery of their cannon; or they might have undermined and blown them up. But the huge mound of mud had nothing susceptible of fire or any other force; the missiles from the artillery were discharged but to be buried in the dull mass; and all the means of demolition were baffled.