πολλῶν ὁ καιρὸς γίγνεται διδάσκαλος → the critical moment will turn out to be the teacher of many things
P. and V. ἀκουσίως, or use P. and V. ἄκων or οὐχ ἑκών, agreeing with subject; e.g., do a thing involuntarily: P. and V. ἄκων ποιεῖν τι.
