Ὅτι οὐδὲν ἧττον τὰ αὐτὰ ποιήσουσι, κἂν σὺ διαρραγῇς → You may break your heart, but men will still go on as before
make a thing sure: P. βεβαιοῦν.
ratify: P. and V. κυροῦν, ἐπικυροῦν, ἐμπεδοῦν (Plato, also Ar.).
encourage: P. and V. θρασύνειν, θαρσύνειν, P. ἐπιρρωνύναι; see encourage.