ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
v. trans.
See illuminate. The mind when sleeping has its eyes illumined: V. εὕδουσα γὰρ φρὴν ὄμμασιν λαμπρύνεται (Aesch., Eum. 104).