Μεγάλοι δὲ λόγοι μεγάλας πληγὰς τῶν ὑπεραύχων ἀποτίσαντες γήρᾳ τὸ φρονεῖν ἐδίδαξαν → The great words of the arrogant pay the penalty by suffering great blows, and teach one to reason in old age
truth: P. and V. ἀλήθεια, ἡ.
trustworthiness: P. and V. πίστις, ἡ, τὸ πιστόν.