πολλῶν ὁ καιρὸς γίγνεται διδάσκαλος → the critical moment will turn out to be the teacher of many things
Quader, lapis quadratus; saxum quadratum. – ungeheuere Quadern, quadratae moles. – mit Quadern bauen, aufführen, saxo quadrato facere (z.B. murum) od. exstruere (z.B. turrim).