Aha; I'm working through it right now. This quote is from Cicero's speech to the senate condemning Catiline for trying to overthrow the Roman republic for the second time (https://en.wikipedia.org/wiki/Catiline#Second_Catilinarian_c...)

"Quid facis, Catilīna? Quid cōgitās? Sentīmus magna vitia īnsidiāsque tuās. Ō tempora! Ō mōrēs! Senātus haec intellegit, cōnsul videt. Hic tamen vīvit."

"What are you doing, Catiline? What are you thinking? We know your great treachery and plans. Shame on the age and on its principles! The senate is aware of these things, the consul sees them, and yet this man lives."

(I like the gentle reprimand of the 'and yet this man lives' line)