M. Tullius Cicero, Speech before Roman Citizens on Behalf of Gaius Rabirius, Defendant Against the Charge of Treason
William Blake Tyrrell, Ed.

[9] Rather, I suspect that Labienus laid down the ruling of half hour ahead of time so that I would not say more about his virtue and decency. Therefore, for these charges that long for the thoroughness of an advocate, you do understand your half hour has been long enough.

That other part about the murder of Saturninus, you wanted to be short and curtailed. This part, however, cries out for and demands, not the talents of an orator, but the support of a consul.