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 convince the hearer, but enthralls him. Such is the effect of those words of Demosthenes: "Supposing, now, at this moment a cry of alarm were heard outside the assize courts, and the news came that the prison was broken open and the prisoners escaped, is there any man here who is such a trifler that he would not run to the rescue at the top of his speed? But suppose some one came forward with the information that they had been set at liberty by the defendant, what then? Why, he would be lynched on the spot!" Compare also the way in which Hyperides excused himself, when he was proceeded against for bringing in a bill to liberate the slaves after Chaeronea. "This measure," he said, "was not drawn up by any orator, but by the battle of Chaeronea." This striking image, being thrown in by the speaker in the midst of his proofs, enables him by one bold stroke to carry all mere logical objection before him. In all such cases our nature is drawn towards that which affects it most powerfully: hence an image lures us away from an argument: judgment is paralysed, matters of fact disappear from view, eclipsed by the superior blaze. Nor is it surprising that we should be thus affected; for when two forces are thus placed in juxtaposition, the stronger must always absorb into itself the weaker.