Quod ni Catilina maturasset pro curia signum sociis dare, eo die post conditam urbem Romam pessumum facinus patratum foret.
and had Catiline not been overhasty in giving the signal to his accomplices in front of the senate house, on that day the most dreadful crime since the founding of the city of Rome would have been perpetrated.
final_alignments\Sallust_Catiline.json