ἔμπρησις
From LSJ
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
English (LSJ)
εως, Ion. -ιος, ἡ,
A burning, Hdt.8.55, D.H.4.40; οἰκιῶν Pl.R.470a: pl., ἐμπρήσεις οἰκιῶν Aeschin.3.157. II inflammation, Gal.12.693.