необдуманно
From LSJ
Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
Russian > Greek
ἀβούλως, ῥᾳδίως, ῥηϊδίως, προχείρως, εἰκῇ, εἰκῆ, ἀνεπιστάτως, ἀπερισκέπτως, ἀπρονοήτως, ἀπροβούλως, ἀσκέπτως, ἀσκόπως, ἀφροντίστως, ἀνεπιλογίστως, ἐμπλήκτως, ἀκρίτως