παίζων εἰπεῖν

From LSJ

Ὡς ἡδὺ κάλλος, ὅταν ἔχῃ νοῦν σώφρονα → Quam dulce facies pulchra cum ingenio probo → Wie froh macht Schönheit, wenn sie klugen Sinn besitzt

Menander, Monostichoi, 555

Greek > English (Woodhouse)

speak in joke, speak in play, speak in jest