πολλῶν ὁ καιρὸς γίγνεται διδάσκαλος → the critical moment will turn out to be the teacher of many things
intransĭtīvus: a, um, adj. 2. intranseo, gram. t. t.,
I intransitive, i. e. that does not pass over to another person, Prisc. p. 982 P.—Adv.: intransĭtīvē, intransitively, Prisc. p. 1134 P.