μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
actually, genuinely, in fact, in reality, in truth, indeed, really, truly
en realidad, en verdad, realmente, verdaderamente