ἢ δεῖ σιωπᾶν ἢ λέγειν τὰ καίρια → you should either keep silence or make timely remarks (Menander)
piety: P. and V. εὐσέβεια, ἡ.
trustworthiness: P. and V. πίστις, ἡ, τὸ πιστόν.
exactness: P. ἀκρίβεια, ἡ.
hesitation: P. and V. ὄκνος, ὁ.
feeling of shame: P. and V. αἰδώς, ἡ.