αἱ μέν ἀποφάσεις ἐπί τῶν θείων ἀληθεῖς, αἱ δέ καταφάσεις ἀνάρμοστοι τῇ κρυφιότητι τῶν ἀποῤῥήτων → as concerns the things of the gods, negative pronouncements are true, but positive ones are inadequate to their hidden character
ob-tĭcĕo: ēre, v. n. taceo,
I to be silent, Ter. Eun. 5, 1, 4.
obtĭcĕō, ēre (ob, taceo), intr., se taire, garder le silence : Ter. Eun. 820.