Fragment B 18 of Xenophanes is widely regarded as an early expression of a faith in human progress. I believe, however, that we should reconsider this 'progressivist' interpretation. Not only does it lack a firm foothold in the language of Fr. 18, its optimism is out of keeping with virtually everything else Xenophanes is known to have said or thought on the topic of human intelligence. If we had no viable alternative to the 'hymn to progress' reading we might be justified (on the basis of its similarities with later expressions of pride in human achievement) in regarding it as his singular and otherwise inexplicable surge of optimism. But since there is an alternative reading that can be firmly and systematically grounded in Xenophanes' ow...