κατὰ τὸν αὑτοῦ δαίμονα βιοῦν → live under the direction of his own guiding spirit
adj.
Of persons or things: P. and V. μῶρος, εὐήθης, ἠλίθιος (Eur., Cycl. 537), ἀσύνετος, ἄβουλος, ἀμαθής, Ar. and P. ἀνόητος, ἀβέλτερος, V. κενόφρων.
Of persons only: P. and V. ἄνους, ἄφρων, σκαιός, V. κακόφρων.