Parmenides did for science what Plato would later do for morality and aesthetics as well: he alerts us to the fact that opinions are just opinions, and they may differ widely. There may yet be a single truth, which need not be as anyone thought. To search for knowledge is to search for access to the truth, not to collect other people’s opinions, and philosophy conducts its unrelenting search for truth in the steps of Parmenides, by respecting sound and rigorous logical argument rather than the variegated tapestry of unexamined opinions.
Professor of Philosophy at the University of East Anglia (born 1956)
Catherine Joanna Rowett (born 29 December 1956, previously publishing as Catherine Osborne from 1979 to 2011) is a British former Member of the European Parliament representing the Green Party of England and Wales, and academic. She is Professor of Philosophy at the University of East Anglia. She is known in particular for her work on Greek Philosophy, especially the Pre-Socratic philosophers.
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Many aspects of Parmenides’s thought remain puzzling even when we have collected all the scraps of evidence from his own writings and those of later thinkers who discussed his views. But his immense significance in philosophical terms has never been obscured by the difficulties in the nitty-gritty of interpretation. For one thing, it is obvious that Parmenides throws at us the challenge of whether we should trust our reason or our senses, in circumstances when they seem to conflict.
So, with due thanks to those great heroes, the ancient authorities, we can now move on with a more cheerful heart to the rest of Presocratic philosophy. Many of the Presocratics’ words are lost, but we may still catch a glimpse of their strange forgotten worlds, woven into a splendid patchwork of ancient quotations and interpretations.