68. To knowledge, wisdom is added; prudence gives birth to passionlessness. Γνώσει προστίθεται σοφία, ἀπάθειαν δὲ τίκτει φρόνησις. M 68 is the third proverb in a row to mention passionlessness, and it also introduces the important couplet virtues of wisdom and prudence. This couplet is developed in part in the proverbs that immediately follow, though its real development is in the chain on true and false knowledge in the second block of the text (M 123–31). In this proverb the two virtues