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)
dyas: ădis, f., = δυάς,I the number two, Macr. Somn. Scip. 1, 6, 18; 1, 12, 5; Aug. Conf. 4, 15.