οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
subs.
Cross examination: P. and V. ἔλεγχος, ὁ. Question: P. ἐρώτημα, τό, ἐρώτησις, ἡ.