ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
1ᵉ pl. de οἶδα, v. *εἴδω.
ἴσμεν: 1 л. pl. praes. к *εἴδω.