νᾶφε καὶ μέμνασο ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
substrātus: a, um, Part. of substerno.substrātus: ūs, m. substerno,I a spreading or laying under; only in abl. sing., Plin. 24, 9, 38, § 61.
