But they say that afterwards Pierus, a Macedonian, after whom the mountain in Macedonia
was named, came to Thespiae
and established nine Muses, changing their names to the present ones. Pierus was of this opinion either because it seemed to him wiser, or because an oracle so ordered, or having so learned from one of the Thracians. For the Thracians had the reputation of old of being more clever than the Macedonians, and in particular of being not so careless in religious matters.