assertively
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
English > Greek (Woodhouse)
Boldly: P. τολμηρῶς.
Aggressively: P. πλεονεκτικῶς; see also obstinately.