Both Plato and Cicero argued that the best orator is a philosopher, or, at least, a good person or person of virtue. If you were not a philosopher or a good person, you were not an orator but merely a sophist or demagogue.

Against this, we have to contend with the fact that even a wretch like Hitler was able to move crowds—and quite powerfully and world-historically at that. Everything about Hitler was warped, his character (ethos), the arguments he used (logos), and the emotions that he sought to instil (pathos), but, still, people followed him in their droves because they themselves were wretched and warped.

Plato’s long-time student Aristotle, who lived some twenty-four centuries ago, was perhaps the first to understand that the........

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