I want to continue some thoughts about what may be gleaned about Protagoras’ reputation in preparation for reading the dialogue named after him. (Link to previous Protagoras post.) The dramatic date of the Protagoras is around 433 BCE. Since the character Protagoras was probably the most famous intellectual in the world at the time, an adequate reading of the dialogue demands that we review what has been said about Protagoras outside the text itself, even if the source material is somewhat dubious. What follows are a few quotations from Diogenes Laertius’ “Life of Protagoras” along with my comments on them. Of course, it must be remembered that Diogenes Laertius lived 600 years after Protagoras, so these passages should be taken for what they are — legendary vestiges of popular rumors:
1. He was the first person who asserted that in every question there were two sides to the argument exactly opposite to one another. And he used to employ them in his arguments, being the first person who did so.
COMMENT: The sophists were notorious for being willing and able to defend either side of an argument. Protagoras was accused of “making the weaker argument stronger,” a charge often leveled at Socrates as well. But all genuine thinking must (more…)