Antiphanes on the Muses and Reason and Criticism
Antiphanes is one of several dramatists we know only by name and quotes in other works.
This quote comes from Athenaeus 1.3.b
ἀεὶ δὲ πρὸς Μουσαισι καὶ λόγοις πάρει,
ὅπου τι σοφίας ἔργον ἐξετάζεται.
Always the Muses and Reason(ings) are together / present
whenever any skilled work is tested